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. 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. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output?String str1 = "abcde";System.out.println(str1.substring(1, 3)); abcd bc None of these abc bcd abcd bc None of these abc bcd ANSWER DOWNLOAD EXAMIANS APP
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)); }} onetwo one None of these twoone two onetwo one None of these twoone two ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output?public class Test{ public static void main (String[] args){ String test = "a1b2c3"; String[] tokens = test.split("\\d"); for(String s: tokens) System.out.print(s); } } Compilation error Runtime exception thrown abc 123 Compilation error Runtime exception thrown abc 123 ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings Determine output:public class Test{ public static void main(String args[]){ String str = null; if(str.length() == 0){ System.out.print("1"); } else if(str == null){ System.out.print("2"); } else{ System.out.print("3"); } }} "3" is printed. Compilation fails. "1" is printed. "2" is printed. An exception is thrown at runtime. "3" is printed. Compilation fails. "1" is printed. "2" is printed. An exception is thrown at runtime. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be output?String S1 = "S1 ="+ "123"+"456";String S2 = "S2 ="+(123+456); S1=579,S2=579 S1=123456,S2=123456 S1=123456, S2=579 None of This S1=579,S2=579 S1=123456,S2=123456 S1=123456, S2=579 None of This ANSWER DOWNLOAD EXAMIANS APP
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