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. "1" is printed. "2" is printed. Compilation fails. "3" is printed. An exception is thrown at runtime. "1" is printed. "2" is printed. Compilation fails. "3" is printed. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output?String str1 = "abcde";System.out.println(str1.substring(1, 3)); abcd bc None of these abc bcd abcd bc None of these abc bcd ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings The class string belongs to ................. package. java.lang java.applet java.awt java.string java.lang java.applet java.awt java.string 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)); }} true,true false,false None of these true,false false,true true,true false,false None of these true,false false,true ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings The String method compareTo() returns false true -1 an int value 1 false true -1 an int value 1 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 onetwo one twoone two None of these onetwo one twoone two ANSWER DOWNLOAD EXAMIANS APP