JAVA Strings toString() method is defined in java.lang.util None of these java.lang.String java.lang.Object java.lang.util None of these java.lang.String java.lang.Object 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"); } }} "2" is printed. "3" is printed. "1" is printed. An exception is thrown at runtime. Compilation fails. "2" is printed. "3" is printed. "1" is printed. An exception is thrown at runtime. Compilation fails. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be output?String S1 = "S1 ="+ "123"+"456";String S2 = "S2 ="+(123+456); S1=123456, S2=579 None of This S1=123456,S2=123456 S1=579,S2=579 S1=123456, S2=579 None of This S1=123456,S2=123456 S1=579,S2=579 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,false false,true true,true false,false None of these true,false false,true true,true false,false None of these 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 None of these Compilation error 9hellow Throws an exception as string and int are not compatible for addition hellow9 None of these Compilation error 9hellow Throws an exception as string and int are not compatible for addition ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings String str1 = "Kolkata".replace('k', 'a');In the above statement, the effect on string Kolkata is The first occurrence of k is replaced by a. All characters a are replaced by k. Displays error message All characters k are replaced by a. The first occurrence of k is replaced by a. All characters a are replaced by k. Displays error message All characters k are replaced by a. ANSWER DOWNLOAD EXAMIANS APP
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