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The method subSequence() obtains a part of a String given the starting index and the length of the result. The method SubSequence() behaves in the same way as substring().

The only difference is that it returns a CharSequence instead of a String.

Available Signatures

public CharSequence subSequence(int beginIndex, int endIndex)

Example

@Test
public void whenCallSubSequence_thenCorrect() {
    String s = "Welcome to Baeldung";
    
    assertEquals("Welcome", s.subSequence(0, 7));
}

I just announced the new Spring 5 modules in REST With Spring:

>> CHECK OUT THE LESSONS