JAVA Strings What will be output?String S1 = "S1 ="+ "123"+"456";String S2 = "S2 ="+(123+456); S1=123456, S2=579 None of This S1=579,S2=579 S1=123456,S2=123456 S1=123456, S2=579 None of This S1=579,S2=579 S1=123456,S2=123456 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 false true true false true true false false false true true false 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,false true,false false,true true,true None of these false,false true,false false,true true,true 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"); } }} "1" is printed. An exception is thrown at runtime. "3" is printed. Compilation fails. "2" is printed. "1" is printed. An exception is thrown at runtime. "3" is printed. Compilation fails. "2" is printed. 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 hellow9 Compilation error 9hellow None of these Throws an exception as string and int are not compatible for addition hellow9 Compilation error 9hellow None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What is the output of the following println statement?String str1 = "Hellow";System.out.println(str1.indexOf('t')); -1 false true 1 0 -1 false true 1 0 ANSWER DOWNLOAD EXAMIANS APP
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