Arrays & Strings
6.What is the output of the following Java code?
public class Main {
public static void main(String[] args) {
String s1 = "Java";
String s2 = "Java";
System.out.println(s1 == s2);
}
}
-
A. true
-
B. false
-
C. Compilation error
-
D. Runtime exception
true
true
7.What is the output of the following code?
public class Main {
public static void main(String[] args) {
String s1 = new String("Hello");
String s2 = new String("Hello");
System.out.println(s1 == s2);
}
}
-
A. true
-
B. false
-
C. Compilation error
-
D. Runtime exception
false
false
8.Which method is used to compare two strings in Java based on content?
-
A. ==
-
B. equals()
-
C. compareTo()
-
D. match()
equals()
equals()
9.What will be the output of the following code?
public class Main {
public static void main(String[] args) {
String s1 = "Hello";
String s2 = "hello";
System.out.println(s1.equalsIgnoreCase(s2));
}
}
-
A. Runtime exception
-
B. Compilation error
-
C. false
-
D. true
true
true
10.What will be the output of the following code? java Copy Edit
public class Main {
public static void main(String[] args) {
String s = "Java Programming";
System.out.println(s.substring(5, 11));
}
}
-
A. Java P
-
B. Progra
-
C. Programm
-
D. Compilation error
Progra
Progra