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. "3" is printed. 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. 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)); }} one twoone onetwo None of these two one twoone onetwo None of these two ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings How many Constructor String class have? 2 None of this 11 7 13 2 None of this 11 7 13 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,true false,false true,false None of these true,true false,true false,false true,false None of these true,true 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 s1 = "java";String s2 = "java";System.out.println(s1.equals(s2));System.out.println(s1 == s2); }} true true false false true false false true true true false false true false false true ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings The String method compareTo() returns false 1 an int value -1 true false 1 an int value -1 true ANSWER DOWNLOAD EXAMIANS APP
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