JAVA Strings What will be output?String S1 = "S1 ="+ "123"+"456";String S2 = "S2 ="+(123+456); S1=579,S2=579 S1=123456, S2=579 S1=123456,S2=123456 None of This S1=579,S2=579 S1=123456, S2=579 S1=123456,S2=123456 None of This 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); } } 9hellow None of these Compilation error Throws an exception as string and int are not compatible for addition hellow9 9hellow None of these Compilation error Throws an exception as string and int are not compatible for addition hellow9 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
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);}} Hello Compilation error None of these Hellow Throws an exception Hello Compilation error None of these Hellow Throws an exception ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings String str1 = "Kolkata".replace('k', 'a');In the above statement, the effect on string Kolkata is All characters a are replaced by k. All characters k are replaced by a. Displays error message The first occurrence of k is replaced by a. All characters a are replaced by k. All characters k are replaced by a. Displays error message The first occurrence of k is replaced by a. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What is the output of the following println statement?String str1 = "Hellow";System.out.println(str1.indexOf('t')); -1 false 1 0 true -1 false 1 0 true ANSWER DOWNLOAD EXAMIANS APP
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