Java valueOf() - String

String.valueOf(Obj);
String str = String.valueOf(Obj);

package com.java.myapp;

public class MyClass {

    public static void main(String[] args) {
            	
    	double a = 12.345;
        boolean b = true;
        int c = 123;
        long d = 1232874;
        float e = 23.23f;
        char[] f = {'a', 'b', 'c', 'd' };

        System.out.println("a = " + String.valueOf(a)); 
        System.out.println("b = " + String.valueOf(b));
        System.out.println("c = " + String.valueOf(c));
        System.out.println("d = " + String.valueOf(d));
        System.out.println("e = " + String.valueOf(e));
        System.out.println("f = " + String.valueOf(f));
        
    }
	
}