Which of the following method cannot be applied on string object?. a. reverse() b. compareTo() c. toString() d. toCharArrary() code example

Example 1: string java

System.out.println("abc");
     String cde = "cde";
     System.out.println("abc" + cde);
     String c = "abc".substring(2,3);
     String d = cde.substring(1, 2);

Example 2: string java

String str = "abc";