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JAVA Strings

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

abcd
abc
None of these
bcd
bc

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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
None of this
2
4

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JAVA Strings
What will be the output of the following program code?public class Test{ public static void main(String args[]){ String s = "what"; StringBuffer sb = new StringBuffer("what"); System.out.print(sb.equals(s)+","+s.equals(sb)); }}

None of these
true,true
true,false
false,false
false,true

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JAVA Strings
The String method compareTo() returns

true
false
-1
an int value
1

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JAVA Strings
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
None of these
Hello
Compilation error

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JAVA Strings
What will be the output of the following program code?class LogicalCompare{ public static void main(String args[]){ String str1 = new String("OKAY"); String str2 = new String(str1); System.out.println(str1 == str2); }}

Displays error message
0
false
1
true

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