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)); }} None of these false,true true,true false,false true,false None of these false,true true,true false,false true,false 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);}} Compilation error Throws an exception Hello Hellow None of these Compilation error Throws an exception Hello Hellow None of these 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 two onetwo None of these one twoone two onetwo None of these 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. "3" is printed. Compilation fails. "1" is printed. "2" is printed. An exception is thrown at runtime. "3" is printed. Compilation fails. "1" is printed. "2" is printed. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings How many Constructor String class have? 11 13 2 None of this 7 11 13 2 None of this 7 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); } } Compilation error 9hellow hellow9 None of these Throws an exception as string and int are not compatible for addition Compilation error 9hellow hellow9 None of these Throws an exception as string and int are not compatible for addition ANSWER DOWNLOAD EXAMIANS APP
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