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)); }} None of these two one onetwo twoone None of these two one onetwo twoone ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings The String method compareTo() returns an int value true -1 false 1 an int value true -1 false 1 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); } } 9hellow Compilation error None of these hellow9 Throws an exception as string and int are not compatible for addition 9hellow Compilation error None of these hellow9 Throws an exception as string and int are not compatible for addition 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"); } }} 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. "1" is printed. "3" is printed. Compilation fails. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What is the output of the following println statement?String str1 = "Hellow";System.out.println(str1.indexOf('t')); 0 -1 true false 1 0 -1 true false 1 ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings Determine output:public class Test{ public static void main(String args[]){ String s1 = "SITHA";String s2 = "RAMA";System.out.println(s1.charAt(0) > s2.charAt(0)); }} Compilation error 0 Throws Exception false true Compilation error 0 Throws Exception false true ANSWER DOWNLOAD EXAMIANS APP
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