How to use Strings method of org.assertj.core.internal.Strings class

Best Assertj code snippet using org.assertj.core.internal.Strings.Strings

Source:Strings_assertHasSameSizeAs_with_CharSequence_Test.java

...16import static org.assertj.core.test.TestData.someInfo;17import static org.assertj.core.test.TestFailures.failBecauseExpectedAssertionErrorWasNotThrown;18import static org.assertj.core.util.FailureMessages.actualIsNull;19import org.assertj.core.api.AssertionInfo;20import org.assertj.core.internal.StringsBaseTest;21import org.junit.Test;22/**23 * Tests for <code>{@link org.assertj.core.internal.Strings#assertHasSameSizeAs(org.assertj.core.api.AssertionInfo, CharSequence, CharSequence)}</code>.24 *25 * @author Joel Costigliola26 */27public class Strings_assertHasSameSizeAs_with_CharSequence_Test extends StringsBaseTest {28  private static String actual = "Luke";29  @Test30  public void should_fail_if_actual_is_null() {31    thrown.expectAssertionError(actualIsNull());32    strings.assertHasSameSizeAs(someInfo(), null, "Solo");33  }34  @Test35  public void should_fail_if_size_of_actual_is_not_equal_to_expected_size() {36    AssertionInfo info = someInfo();37    String other = "Han";38    try {39      strings.assertHasSameSizeAs(info, actual, other);40    } catch (AssertionError e) {41      assertThat(e).hasMessage(shouldHaveSameSizeAs(actual, actual.length(), other.length())...

Source:StringsBaseTest.java

...14import static org.assertj.core.test.ExpectedException.none;15import static org.mockito.Mockito.spy;16import org.assertj.core.internal.ComparatorBasedComparisonStrategy;17import org.assertj.core.internal.Failures;18import org.assertj.core.internal.Strings;19import org.assertj.core.test.ExpectedException;20import org.assertj.core.util.CaseInsensitiveStringComparator;21import org.junit.Before;22import org.junit.Rule;23/**24 * 25 * Base class for {@link Strings} tests.26 * <p>27 * Is in <code>org.assertj.core.internal</code> package to be able to set {@link Strings#failures} appropriately.28 * 29 * @author Joel Costigliola30 * 31 */32public class StringsBaseTest {33  @Rule34  public ExpectedException thrown = none();35  protected Failures failures;36  protected Strings strings;37  protected ComparatorBasedComparisonStrategy comparisonStrategy;38  protected Strings stringsWithCaseInsensitiveComparisonStrategy;39  @Before40  public void setUp() {41    failures = spy(new Failures());42    strings = new Strings();43    strings.failures = failures;44    comparisonStrategy = new ComparatorBasedComparisonStrategy(CaseInsensitiveStringComparator.instance);45    stringsWithCaseInsensitiveComparisonStrategy = new Strings(comparisonStrategy);46    stringsWithCaseInsensitiveComparisonStrategy.failures = failures;47  }48}...

Strings

Using AI Code Generation

1package org.assertj.core.internal;2import org.assertj.core.api.AssertionInfo;3import org.assertj.core.api.Assertions;4import org.assertj.core.error.ShouldContainOnlyDigits;5import org.assertj.core.internal.ErrorMessages;6import org.assertj.core.internal.StringsBaseTest;7import org.assertj.core.util.FailureMessages;8import org.junit.Test;9public class Strings_assertContainsOnlyDigits_Test extends StringsBaseTest {10  public void should_pass_if_actual_contains_only_digits() {11    strings.assertContainsOnlyDigits(info, "123");12  }13  public void should_fail_if_actual_contains_non_digits() {14    thrown.expectAssertionError(ShouldContainOnlyDigits.shouldContainOnlyDigits("a2c", "a2c").create());15    strings.assertContainsOnlyDigits(info, "a2c");16  }17  public void should_fail_if_actual_contains_only_whitespaces() {18    thrown.expectAssertionError(ShouldContainOnlyDigits.shouldContainOnlyDigits(" ", " ").create());19    strings.assertContainsOnlyDigits(info, " ");20  }21  public void should_fail_if_actual_is_null() {22    thrown.expectAssertionError(ErrorMessages.charSequenceToLookForIsNull());23    strings.assertContainsOnlyDigits(info, null);24  }25  public void should_fail_if_actual_is_empty() {26    thrown.expectAssertionError(ShouldContainOnlyDigits.shouldContainOnlyDigits("", "").create());27    strings.assertContainsOnlyDigits(info, "");28  }29  public void should_throw_error_if_sequence_is_null() {30    thrown.expectNullPointerException("The sequence to look for should not be null");31    strings.assertContainsOnlyDigits(info, "Yoda", null);32  }33  public void should_throw_error_if_sequence_is_empty() {34    thrown.expectIllegalArgumentException("The sequence to look for should not be empty");35    strings.assertContainsOnlyDigits(info, "Yoda", "");36  }37  public void should_pass_if_actual_contains_given_sequence() {38    strings.assertContainsOnlyDigits(info, "Yoda", "Yo");39  }40  public void should_fail_if_actual_does_not_contain_given_sequence() {41    thrown.expectAssertionError(ShouldContainOnlyDigits.shouldContainOnlyDigits("Yoda", "Luke").create());42    strings.assertContainsOnlyDigits(info, "Yoda", "Luke");43  }

Strings

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.catchThrowable;3import org.assertj.core.internal.Strings;4import org.assertj.core.internal.StandardComparisonStrategy;5import org.assertj.core.internal.StandardComparisonStrategy;6import org.junit.jupiter.api.Test;7public class StringTest {8    private final Strings strings = new Strings();9    public void testAssertContainsOnlyOnce() {10        String actual = "aabbcc";11        String expected = "abc";12        Throwable thrown = catchThrowable(() -> strings.assertContainsOnlyOnce(new StandardComparisonStrategy(), actual, expected));13        assertThat(thrown).isInstanceOf(AssertionError.class);14    }15}16import static org.assertj.core.api.Assertions.assertThat;17import static org.assertj.core.api.Assertions.catchThrowable;18import org.assertj.core.internal.Strings;19import org.assertj.core.internal.StandardComparisonStrategy;20import org.assertj.core.internal.StandardComparisonStrategy;21import org.junit.jupiter.api.Test;22public class StringTest {23    private final Strings strings = new Strings();24    public void testAssertContainsOnlyOnce() {25        String actual = "aabbcc";26        String expected = "abc";27        Throwable thrown = catchThrowable(() -> strings.assertContainsOnlyOnce(new StandardComparisonStrategy(), actual, expected));28        assertThat(thrown).isInstanceOf(AssertionError.class);29    }30}31import static org.assertj.core.api.Assertions.assertThat;32import static org.assertj.core.api.Assertions.catchThrowable;33import org.assertj.core.internal.Strings;34import org.assertj.core.internal.StandardComparisonStrategy;35import org.assertj.core.internal.StandardComparisonStrategy;36import org.junit.jupiter.api.Test;37public class StringTest {38    private final Strings strings = new Strings();39    public void testAssertContainsOnlyOnce() {40        String actual = "aabbcc";41        String expected = "abc";42        Throwable thrown = catchThrowable(() -> strings.assertContainsOnlyOnce(new StandardComparisonStrategy(), actual, expected));43        assertThat(thrown).isInstanceOf(AssertionError.class);44    }45}

Strings

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.internal.Strings;3import org.assertj.core.internal.StandardComparisonStrategy;4public class AssertJAssertString {5    public static void main(String[] args) {6        Strings strings = new Strings();7        strings.setComparisonStrategy(StandardComparisonStrategy.instance());8        Assertions.assertThat(strings).contains("AssertJ", "Junit");9        Assertions.assertThat(strings).containsIgnoringCase("AssertJ", "junit");10        Assertions.assertThat(strings).containsOnlyOnce("AssertJ", "Junit");11        Assertions.assertThat(strings).containsOnlyOnceIgnoringCase("AssertJ", "junit");12        Assertions.assertThat(strings).containsSequence("AssertJ", "Junit");13        Assertions.assertThat(strings).containsSequenceIgnoringCase("AssertJ", "junit");14        Assertions.assertThat(strings).doesNotContain("AssertJ", "Junit");15        Assertions.assertThat(strings).doesNotContainIgnoringCase("AssertJ", "junit");16        Assertions.assertThat(strings).doesNotContainSequence("AssertJ", "Junit");17        Assertions.assertThat(strings).doesNotContainSequenceIgnoringCase("AssertJ", "junit");18        Assertions.assertThat(strings).doesNotContainPattern("AssertJ", "Junit");19        Assertions.assertThat(strings).doesNotContainPatternIgnoringCase("AssertJ", "junit");20        Assertions.assertThat(strings).doesNotStartWith("AssertJ", "Junit");21        Assertions.assertThat(strings).doesNotStartWithIgnoringCase("AssertJ", "junit");22        Assertions.assertThat(strings).doesNotEndWith("AssertJ", "Junit");23        Assertions.assertThat(strings).doesNotEndWithIgnoringCase("AssertJ", "junit");24        Assertions.assertThat(strings).doesNotMatch("AssertJ", "Junit");25        Assertions.assertThat(strings).doesNotMatchIgnoringCase("AssertJ", "junit");26        Assertions.assertThat(strings).startsWith("AssertJ", "Junit");27        Assertions.assertThat(strings).startsWithIgnoringCase("AssertJ", "junit");28        Assertions.assertThat(strings).endsWith("AssertJ", "Junit");29        Assertions.assertThat(strings).endsWithIgnoringCase("AssertJ", "junit");30        Assertions.assertThat(strings).matches("AssertJ", "Junit");31        Assertions.assertThat(strings).matchesIgnoringCase("AssertJ", "junit");32        Assertions.assertThat(strings).isEqualTo("AssertJ", "Junit");33        Assertions.assertThat(strings).isEqualToIgnoringCase("AssertJ", "junit");34        Assertions.assertThat(strings).isNotEqualTo("AssertJ",

Strings

Using AI Code Generation

1public class 1 {2    public void test1() {3        Assertions.assertThat("abc").isEqualTo("abc");4    }5}6public class 2 {7    public void test2() {8        Assertions.assertThat("abc").isEqualTo("abc");9    }10}11public class 3 {12    public void test3() {13        Assertions.assertThat("abc").isEqualTo("abc");14    }15}16public class 4 {17    public void test4() {18        Assertions.assertThat("abc").isEqualTo("abc");19    }20}21public class 5 {22    public void test5() {23        Assertions.assertThat("abc").isEqualTo("abc");24    }25}26public class 6 {27    public void test6() {28        Assertions.assertThat("abc").isEqualTo("abc");29    }30}31public class 7 {32    public void test7() {33        Assertions.assertThat("abc").isEqualTo("abc");34    }35}36public class 8 {37    public void test8() {38        Assertions.assertThat("abc").isEqualTo("abc");39    }40}41public class 9 {42    public void test9() {43        Assertions.assertThat("abc").isEqualTo("abc");44    }45}46public class 10 {47    public void test10() {48        Assertions.assertThat("abc").isEqualTo("abc");49    }50}

Strings

Using AI Code Generation

1public class StringsTest {2    public static void main(String[] args) {3        Strings strings = new Strings();4        String str1 = "Hello";5        String str2 = "World";6        System.out.println("str1 = " + str1);7        System.out.println("str2 = " + str2);8        System.out.println("str1 + str2 = " + strings.concat(str1, str2));9    }10}

Strings

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.internal.Strings;3import org.junit.jupiter.api.Test;4public class StringTest {5public void test() {6String s = "Hello";7String s1 = "World";8String s2 = "Hello World";9Strings strings = new Strings();10Assertions.assertThat(strings.concat(s, s1)).isEqualTo(s2);11}12}13at org.junit.platform.launcher.core.DefaultLauncher.discoverEngineRoot(DefaultLauncher.java:180)14at org.junit.platform.launcher.core.DefaultLauncher.discoverRoot(DefaultLauncher.java:167)15at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:128)16at org.junit.platform.console.tasks.DiscoveryRequestCreator.discoverTests(DiscoveryRequestCreator.java:114)17at org.junit.platform.console.tasks.DiscoveryRequestCreator.fromClasspathRoot(DiscoveryRequestCreator.java:82)18at org.junit.platform.console.tasks.ConsoleTestExecutor.executeTests(ConsoleTestExecutor.java:65)19at org.junit.platform.console.tasks.ConsoleTestExecutor.lambda$execute$0(ConsoleTestExecutor.java:57)20at org.junit.platform.console.tasks.CustomContextClassLoaderExecutor.invoke(CustomContextClassLoaderExecutor.java:33)21at org.junit.platform.console.tasks.ConsoleTestExecutor.execute(ConsoleTestExecutor.java:57)22at org.junit.platform.console.ConsoleLauncher.executeTests(ConsoleLauncher.java:84)23at org.junit.platform.console.ConsoleLauncher.execute(ConsoleLauncher.java:74)24at org.junit.platform.console.ConsoleLauncher.execute(ConsoleLauncher.java:47)25at org.junit.platform.console.ConsoleLauncher.main(ConsoleLauncher.java:39)26at java.base/java.lang.Class.forName0(Native Method)27at java.base/java.lang.Class.forName(Class.java:398)28at org.junit.platform.commons.util.ReflectionUtils.tryToLoadClass(ReflectionUtils.java:718)29at org.junit.platform.commons.util.ReflectionUtils.tryToLoadClass(ReflectionUtils.java:704)30at org.junit.jupiter.engine.discovery.DiscoverySelectorResolver.resolveSelectors(DiscoverySelectorResolver.java:63)

Strings

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.internal.Strings;3import org.junit.Test;4public class AssertJExample {5    public void test() {6        Strings strings = new Strings();7        strings.assertEqual(Assertions.assertThat("abc"), "abc", "abc");8    }9}10at org.assertj.core.internal.Strings.assertEqual(Strings.java:48)11at org.assertj.core.internal.Strings.assertEqual(Strings.java:35)12at AssertJExample.test(AssertJExample.java:13)13at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)14at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)15at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)16at java.lang.reflect.Method.invoke(Method.java:597)17at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)18at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)19at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)20at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)21at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)22at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)23at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)24at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)25at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)26at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)27at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)28at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)29at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)30at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)31at org.junit.runners.ParentRunner.run(ParentRunner.java:292)32at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)

Strings

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.internal.Strings;3public class StringCheck {4   public static void main(String[] args) {5      Strings strings = new Strings();6      String str1 = "Test";7      String str2 = "Test";8      Assertions.assertThat(strings.areEqual(str1, str2)).isTrue();9   }10}

Strings

Using AI Code Generation

1public class 1 {2   public static void main(String[] args) {3      Strings strings = Strings.instance();4      String s = "ABC";5      System.out.println("s = " + s);6      System.out.println("strings = " + strings);7      System.out.println("strings.lengthOf(s) = " + strings.lengthOf(s));8   }9}10strings.lengthOf(s) = 311public class 2 {12   public static void main(String[] args) {13      Strings strings = Strings.instance();14      String s = "ABC";15      System.out.println("s = " + s);16      System.out.println("strings = " + strings);17      System.out.println("strings.lengthOf(s) = " + strings.lengthOf(s));18   }19}20strings.lengthOf(s) = 321public class 3 {22   public static void main(String[] args) {23      Strings strings = Strings.instance();24      String s = "ABC";25      System.out.println("s = " + s);26      System.out.println("strings = " + strings);27      System.out.println("strings.lengthOf(s) = " + strings.lengthOf(s));28   }29}30strings.lengthOf(s) = 331public class 4 {32   public static void main(String[] args) {33      Strings strings = Strings.instance();34      String s = "ABC";35      System.out.println("s = " + s);36      System.out.println("strings = " + strings);37      System.out.println("strings.lengthOf(s) = " + strings.lengthOf(s));38   }39}

Strings

Using AI Code Generation

1package com.automationrhapsody.assertj;2import static org.assertj.core.api.Assertions.assertThat;3import org.junit.Test;4public class AssertJStringsTest {5    public void givenTwoStrings_whenEqual_thenCorrect() {6        String expected = "AutomationRhapsody";7        String actual = "AutomationRhapsody";8        assertThat(actual).isEqualTo(expected);9    }10    public void givenTwoStrings_whenEqualIgnoringCase_thenCorrect() {11        String expected = "AutomationRhapsody";12        String actual = "automationrhapsody";13        assertThat(actual).isEqualToIgnoringCase(expected);14    }15    public void givenTwoStrings_whenEqualIgnoringWhiteSpace_thenCorrect() {16        String expected = "Automation Rhapsody";17        String actual = "AutomationRhapsody";18        assertThat(actual).isEqualToIgnoringWhitespace(expected);19    }20    public void givenTwoStrings_whenContains_thenCorrect() {21        String expected = "Rhapsody";22        String actual = "AutomationRhapsody";23        assertThat(actual).contains(expected);24    }25    public void givenTwoStrings_whenContainsIgnoringCase_thenCorrect() {26        String expected = "rhapsody";27        String actual = "AutomationRhapsody";28        assertThat(actual).containsIgnoringCase(expected);29    }30    public void givenTwoStrings_whenStartsWith_thenCorrect() {31        String expected = "Autom";32        String actual = "AutomationRhapsody";33        assertThat(actual).startsWith(expected);34    }35    public void givenTwoStrings_whenEndsWith_thenCorrect() {36        String expected = "Rhapsody";37        String actual = "AutomationRhapsody";38        assertThat(actual).endsWith(expected);39    }40    public void givenTwoStrings_whenMatchesRegex_thenCorrect() {41        String expected = "Automation.*";42        String actual = "AutomationRhapsody";43        assertThat(actual).matches(expected);44    }45    public void givenTwoStrings_whenDoesNotMatchRegex_thenCorrect() {46        String expected = "Rhapsody.*";47        String actual = "AutomationRhapsody";48        assertThat(actual).doesNotMatch(expected);49    }50    public void givenTwoStrings_whenEmpty_thenCorrect() {51        String actual = "";52        assertThat(actual).isEmpty();53    }54    public void givenTwoStrings_whenNotEmpty_thenCorrect()55      Assertions.assertThat(strings.areEqual(str1, str2)).isTrue();56   }57}58at org.junit.platform.launcher.core.DefaultLauncher.discoverEngineRoot(DefaultLauncher.java:180)59at org.junit.platform.launcher.core.DefaultLauncher.discoverRoot(DefaultLauncher.java:167)60at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:128)61at org.junit.platform.console.tasks.DiscoveryRequestCreator.discoverTests(DiscoveryRequestCreator.java:114)62at org.junit.platform.console.tasks.DiscoveryRequestCreator.fromClasspathRoot(DiscoveryRequestCreator.java:82)63at org.junit.platform.console.tasks.ConsoleTestExecutor.executeTests(ConsoleTestExecutor.java:65)64at org.junit.platform.console.tasks.ConsoleTestExecutor.lambda$execute$0(ConsoleTestExecutor.java:57)65at org.junit.platform.console.tasks.CustomContextClassLoaderExecutor.invoke(CustomContextClassLoaderExecutor.java:33)66at org.junit.platform.console.tasks.ConsoleTestExecutor.execute(ConsoleTestExecutor.java:57)67at org.junit.platform.console.ConsoleLauncher.executeTests(ConsoleLauncher.java:84)68at org.junit.platform.console.ConsoleLauncher.execute(ConsoleLauncher.java:74)69at org.junit.platform.console.ConsoleLauncher.execute(ConsoleLauncher.java:47)70at org.junit.platform.console.ConsoleLauncher.main(ConsoleLauncher.java:39)71at java.base/java.lang.Class.forName0(Native Method)72at java.base/java.lang.Class.forName(Class.java:398)73at org.junit.platform.commons.util.ReflectionUtils.tryToLoadClass(ReflectionUtils.java:718)74at org.junit.platform.commons.util.ReflectionUtils.tryToLoadClass(ReflectionUtils.java:704)75at org.junit.jupiter.engine.discovery.DiscoverySelectorResolver.resolveSelectors(DiscoverySelectorResolver.java:63)

Strings

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.internal.Strings;3import org.junit.Test;4public class AssertJExample {5    public void test() {6        Strings strings = new Strings();7        strings.assertEqual(Assertions.assertThat("abc"), "abc", "abc");8    }9}10at org.assertj.core.internal.Strings.assertEqual(Strings.java:48)11at org.assertj.core.internal.Strings.assertEqual(Strings.java:35)12at AssertJExample.test(AssertJExample.java:13)13at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)14at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)15at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)16at java.lang.reflect.Method.invoke(Method.java:597)17at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)18at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)19at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)20at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)21at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)22at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)23at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)24at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)25at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)26at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)27at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)28at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)29at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)30at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)31at org.junit.runners.ParentRunner.run(ParentRunner.java:292)32at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)

Strings

Using AI Code Generation

1public class 1 {2   public static void main(String[] args) {3      Strings strings = Strings.instance();4      String s = "ABC";5      System.out.println("s = " + s);6      System.out.println("strings = " + strings);7      System.out.println("strings.lengthOf(s) = " + strings.lengthOf(s));8   }9}10strings.lengthOf(s) = 311public class 2 {12   public static void main(String[] args) {13      Strings strings = Strings.instance();14      String s = "ABC";15      System.out.println("s = " + s);16      System.out.println("strings = " + strings);17      System.out.println("strings.lengthOf(s) = " + strings.lengthOf(s));18   }19}20strings.lengthOf(s) = 321public class 3 {22   public static void main(String[] args) {23      Strings strings = Strings.instance();24      String s = "ABC";25      System.out.println("s = " + s);26      System.out.println("strings = " + strings);27      System.out.println("strings.lengthOf(s) = " + strings.lengthOf(s));28   }29}30strings.lengthOf(s) = 331public class 4 {32   public static void main(String[] args) {33      Strings strings = Strings.instance();34      String s = "ABC";35      System.out.println("s = " + s);36      System.out.println("strings = " + strings);37      System.out.println("strings.lengthOf(s) = " + strings.lengthOf(s));38   }39}

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