list of predefined methods in the string class code example

Example 1: string method example in java

public char charAt(int index)
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String x = "airplane";
System.out.println( x.charAt(2) ); // output is 'r'

Example 2: string method example in java

public int length()
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String x = "01234567";
System.out.println( x.length() ); // returns "8"