JAVA Strings What will be output?String S1 = "S1 ="+ "123"+"456";String S2 = "S2 ="+(123+456); None of This 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 ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings String str1 = "Kolkata".replace('k', 'a');In the above statement, the effect on string Kolkata is All characters k are replaced by a. All characters a are replaced by k. Displays error message The first occurrence of k is replaced by a. All characters k are replaced by a. All characters a are replaced by k. Displays error message The first occurrence of k is replaced by a. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings toString() method is defined in None of these java.lang.util java.lang.Object java.lang.String None of these java.lang.util java.lang.Object java.lang.String 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,true true,false None of these false,true false,false true,true true,false 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); } } Compilation error 9hellow None of these Throws an exception as string and int are not compatible for addition hellow9 Compilation error 9hellow None of these Throws an exception as string and int are not compatible for addition hellow9 ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output?String str1 = "abcde";System.out.println(str1.substring(1, 3)); bcd None of these abcd bc abc bcd None of these abcd bc abc ANSWER DOWNLOAD EXAMIANS APP
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