What will be output?String S1 = "S1 ="+ "123"+"456";String S2 = "S2 ="+(123+456); S1=123456, S2=579 S1=123456,S2=123456 None of This S1=579,S2=579 TRUE ANSWER : ? YOUR ANSWER : ?
The class string belongs to ................. package. java.awt java.lang java.applet java.string TRUE ANSWER : ? YOUR ANSWER : ?
The output of the following fraction of code ispublic class Test{ public static void main(String args[]){ String s1 = new String("Hello");String s2 = new String("Hellow");System.out.println(s1 = s2);}} Throws an exception Hellow Compilation error Hello None of these TRUE ANSWER : ? YOUR ANSWER : ?
How many objects will be created?String a = new String("Examveda");String b = new String("Examveda");String c = "Examveda";String d = "Examveda"; 2 None of this 3 4 TRUE ANSWER : ? YOUR ANSWER : ?
String str1 = "Kolkata".replace('k', 'a');In the above statement, the effect on string Kolkata is All characters a are replaced by k. Displays error message All characters k are replaced by a. The first occurrence of k is replaced by a. TRUE ANSWER : ? YOUR ANSWER : ?
What is the output of the following println statement?String str1 = "Hellow";System.out.println(str1.indexOf('t')); false true -1 0 1 TRUE ANSWER : ? YOUR ANSWER : ?
What will be the output of the following program?public class Test{ public static void main(String args[]){String s1 = "java";String s2 = "java";System.out.println(s1.equals(s2));System.out.println(s1 == s2); }} false false true false false true true true TRUE ANSWER : ? YOUR ANSWER : ?
Determine output:public class Test{ public static void main(String args[]){ String str = null; if(str.length() == 0){ System.out.print("1"); } else if(str == null){ System.out.print("2"); } else{ System.out.print("3"); } }} An exception is thrown at runtime. "3" is printed. Compilation fails. "2" is printed. "1" is printed. TRUE ANSWER : ? YOUR ANSWER : ?