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JAVA Strings

JAVA Strings
toString() method is defined in

None of these
java.lang.String
java.lang.util
java.lang.Object

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JAVA Strings
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 true
false false
true false
true true

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JAVA Strings
What is the output of the following println statement?String str1 = "Hellow";System.out.println(str1.indexOf('t'));

true
0
1
false
-1

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JAVA Strings
How many objects will be created?String a = new String("Examveda");String b = new String("Examveda");String c = "Examveda";String d = "Examveda";

3
2
None of this
4

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JAVA Strings
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"); } }}

"2" is printed.
An exception is thrown at runtime.
"1" is printed.
"3" is printed.
Compilation fails.

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JAVA Strings
What will be the output?String str1 = "abcde";System.out.println(str1.substring(1, 3));

bc
abc
None of these
abcd
bcd

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