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"); } }} "1" is printed. "3" is printed. Compilation fails. An exception is thrown at runtime. "2" is printed. "1" is printed. "3" is printed. Compilation fails. An exception is thrown at runtime. "2" is printed. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings The String method compareTo() returns an int value -1 1 true false an int value -1 1 true false ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be output?String S1 = "S1 ="+ "123"+"456";String S2 = "S2 ="+(123+456); S1=579,S2=579 None of This S1=123456,S2=123456 S1=123456, S2=579 S1=579,S2=579 None of This S1=123456,S2=123456 S1=123456, S2=579 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); } } Throws an exception as string and int are not compatible for addition Compilation error None of these hellow9 9hellow Throws an exception as string and int are not compatible for addition Compilation error None of these hellow9 9hellow 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)); }} one None of these onetwo twoone two one None of these onetwo twoone two 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 s1 = "java";String s2 = "java";System.out.println(s1.equals(s2));System.out.println(s1 == s2); }} false false true true false true true false false false true true false true true false ANSWER DOWNLOAD EXAMIANS APP