JAVA Strings String str1 = "Kolkata".replace('k', 'a');In the above statement, the effect on string Kolkata is The first occurrence of k is replaced by a. All characters k are replaced by a. Displays error message All characters a are replaced by k. The first occurrence of k is replaced by a. All characters k are replaced by a. Displays error message All characters a are replaced by k. ANSWER DOWNLOAD EXAMIANS APP
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 None of these Throws an exception as string and int are not compatible for addition 9hellow hellow9 Compilation error None of these Throws an exception as string and int are not compatible for addition 9hellow ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings toString() method is defined in java.lang.Object java.lang.util java.lang.String None of these java.lang.Object java.lang.util java.lang.String None of these ANSWER DOWNLOAD EXAMIANS APP
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); } } 123 Runtime exception thrown abc Compilation error 123 Runtime exception thrown abc Compilation error ANSWER DOWNLOAD EXAMIANS APP
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); }} 1 false true 0 Displays error message 1 false true 0 Displays error message ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings The String method compareTo() returns false true an int value -1 1 false true an int value -1 1 ANSWER DOWNLOAD EXAMIANS APP
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