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 How many Constructor String class have? 13 7 None of this 2 11 13 7 None of this 2 11 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); } } None of these 9hellow Throws an exception as string and int are not compatible for addition hellow9 Compilation error None of these 9hellow Throws an exception as string and int are not compatible for addition hellow9 Compilation error ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be output?String S1 = "S1 ="+ "123"+"456";String S2 = "S2 ="+(123+456); None of This S1=123456, S2=579 S1=123456,S2=123456 S1=579,S2=579 None of This S1=123456, S2=579 S1=123456,S2=123456 S1=579,S2=579 ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output?String str1 = "abcde";System.out.println(str1.substring(1, 3)); bcd abc bc None of these abcd bcd abc bc None of these abcd 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 true 0 1 -1 false true 0 1 ANSWER DOWNLOAD EXAMIANS APP
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