JAVA Strings What will be the output of the following program?public class Test{ public static void main(String args[]){String str1 = "one";String str2 = "two";System.out.println(str1.concat(str2)); }} two None of these onetwo one twoone two None of these onetwo one twoone ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings String str1 = "Kolkata".replace('k', 'a');In the above statement, the effect on string Kolkata is 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. All characters k are replaced by a. All characters a are replaced by k. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings How many Constructor String class have? 13 2 7 None of this 11 13 2 7 None of this 11 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
JAVA Strings toString() method is defined in java.lang.util java.lang.String java.lang.Object None of these java.lang.util java.lang.String java.lang.Object 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,false true,false true,true false,true None of these false,false true,false true,true false,true None of these ANSWER DOWNLOAD EXAMIANS APP