Question

How to use string methods in Java

Answer 1

public class MyClass {
    public static void main(String args[]) {
        String s1 = "Java programming";
        String s2 = "Java pro";

        boolean b = s1.equals(s2);
        
        System.out.println("1: " + b);
        System.out.println("2: " + s1.charAt(6));
        System.out.println("3: " + s1.concat(" 17"));
        System.out.println("4: " + s1);
        System.out.println("5: " + s1.length());
        System.out.println("6: " + s1.toUpperCase());
        System.out.println("7: " + s1.toLowerCase());
        System.out.println("8: " +  s1.indexOf('p'));
        System.out.println("9: " +  s1.substring(0, 3));
        System.out.println("10: " + s1.substring(6));    
    }
}





/*
run:

1: false
2: r
3: Java programming 17
4: Java programming
5: 16
6: JAVA PROGRAMMING
7: java programming
8: 5
9: Jav
10: rogramming

*/


/*
run:

1: false
2: r
3: Java programming 17
4: Java programming
5: 16
6: java programming
7: JAVA PROGRAMMING
8: 5
9: Jav
10: rogramming

*/

 

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