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"); } }} Compilation fails. "1" is printed. An exception is thrown at runtime. "3" is printed. "2" is printed. Compilation fails. "1" is printed. An exception is thrown at runtime. "3" is printed. "2" is printed. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be output?String S1 = "S1 ="+ "123"+"456";String S2 = "S2 ="+(123+456); None of This S1=123456, S2=579 S1=123456,S2=123456 S1=579,S2=579 None of This S1=123456, S2=579 S1=123456,S2=123456 S1=579,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); } } hellow9 9hellow None of these Compilation error Throws an exception as string and int are not compatible for addition hellow9 9hellow None of these Compilation error Throws an exception as string and int are not compatible for addition ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings The output of the following fraction of code ispublic class Test{ public static void main(String args[]){ String s1 = new String("Hello");String s2 = new String("Hellow");System.out.println(s1 = s2);}} Hello Throws an exception Compilation error None of these Hellow Hello Throws an exception Compilation error None of these Hellow ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output?String str1 = "abcde";System.out.println(str1.substring(1, 3)); bcd abc None of these abcd bc bcd abc None of these abcd bc 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
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