JAVA Strings String str1 = "Kolkata".replace('k', 'a');In the above statement, the effect on string Kolkata is 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. The first occurrence of k is replaced by a. All characters k are replaced by a. ANSWER DOWNLOAD EXAMIANS APP
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 true true false false false false true true true true false ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings The String method compareTo() returns 1 -1 false true an int value 1 -1 false true an int value ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings toString() method is defined in java.lang.String java.lang.Object java.lang.util None of these java.lang.String java.lang.Object java.lang.util None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output?String str1 = "abcde";System.out.println(str1.substring(1, 3)); abcd bcd bc abc None of these abcd bcd bc abc None of these 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
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