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JAVA Strings

JAVA Strings
How many Constructor String class have?

11
2
None of this
13
7

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JAVA Strings
What could be output of the following fragment of code?public class Test{ public static void main(String args[]){ String x = "hellow";int y = 9;System.out.println(x += y); } }

hellow9
Compilation error
Throws an exception as string and int are not compatible for addition
None of these
9hellow

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JAVA Strings
The String method compareTo() returns

-1
true
1
false
an int value

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JAVA Strings
Determine output:public class Test{ public static void main(String args[]){ String s1 = "SITHA";String s2 = "RAMA";System.out.println(s1.charAt(0) > s2.charAt(0)); }}

false
Throws Exception
0
Compilation error
true

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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";

4
2
None of this
3

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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 str1 = "one";String str2 = "two";System.out.println(str1.concat(str2)); }}

one
onetwo
twoone
None of these
two

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