Java String.contains()

The method contains() checks if a String contains another String.
The method accepts a CharSequence. So, we can pass any of the
implementing classes to it such as StringBuilder and StringBuffer.

Available Signatures

public boolean contains(CharSequence s)

Example

@Test
public void whenCallContains_thenCorrect() {
    String s = "abcd";

    assertTrue(s.contains("abc"));
    assertFalse(s.contains("cde"));
}

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