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JAVA Strings

JAVA Strings
The String method compareTo() returns

an int value
false
-1
1
true

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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"); } }}

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

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JAVA Strings
What will be the output?public class Test{ public static void main (String[] args){ String test = "a1b2c3"; String[] tokens = test.split("\\d"); for(String s: tokens) System.out.print(s); } }

Runtime exception thrown
Compilation error
abc
123

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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 false
false true
true false
true true

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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
true
Throws Exception
Compilation error
0

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JAVA Strings
The class string belongs to ................. package.

java.lang
java.awt
java.applet
java.string

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MORE MCQ ON JAVA Strings

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