JAVA Strings What will be output?String S1 = "S1 ="+ "123"+"456";String S2 = "S2 ="+(123+456); S1=579,S2=579 S1=123456, S2=579 None of This S1=123456,S2=123456 S1=579,S2=579 S1=123456, S2=579 None of This S1=123456,S2=123456 ANSWER DOWNLOAD EXAMIANS APP
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. Displays error message All characters a are replaced by k. All characters k are replaced by a. The first occurrence of k is replaced by a. Displays error message All characters a are replaced by k. All characters k are replaced by a. 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 of the following program code?public class Test{ public static void main(String args[]){ String s = "what"; StringBuffer sb = new StringBuffer("what"); System.out.print(sb.equals(s)+","+s.equals(sb)); }} false,true false,false true,false true,true None of these false,true false,false true,false true,true None of these 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 Hellow None of these Compilation error Throws an exception Hello Hellow None of these Compilation error Throws an exception ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output?String str1 = "abcde";System.out.println(str1.substring(1, 3)); None of these abcd abc bcd bc None of these abcd abc bcd bc ANSWER DOWNLOAD EXAMIANS APP