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