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. An exception is thrown at runtime. "1" is printed. "2" is printed. "3" is printed. Compilation fails. An exception is thrown at runtime. "1" is printed. "2" is printed. 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 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 None of these hellow9 9hellow Compilation error Throws an exception as string and int are not compatible for addition None of these hellow9 9hellow Compilation error ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings The String method compareTo() returns true false an int value 1 -1 true false an int value 1 -1 ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output of the following program code?class LogicalCompare{ public static void main(String args[]){ String str1 = new String("OKAY"); String str2 = new String(str1); System.out.println(str1 == str2); }} true false 0 1 Displays error message true false 0 1 Displays error message 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)); }} None of these twoone two one onetwo None of these twoone two one onetwo ANSWER DOWNLOAD EXAMIANS APP
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