Question

How to replace the first N characters in a string in Java

Answer 1

public class MyClass {
    public static void main(String args[]) {
        String str = "java";
        
        int N = 3;
        str = "XYZ" + str.substring(N);
	    
	    System.out.println(str);

    }
}




/*
run:

XYZa

*/

 

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