JAVA Strings toString() method is defined in java.lang.String java.lang.util None of these java.lang.Object java.lang.String java.lang.util None of these java.lang.Object ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings String str1 = "Kolkata".replace('k', 'a');In the above statement, the effect on string Kolkata is All characters k are replaced by a. Displays error message All characters a are replaced by k. The first occurrence of k is replaced by a. All characters k are replaced by a. Displays error message All characters a are replaced by k. The first occurrence of k is replaced by a. 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. "2" is printed. Compilation fails. "1" is printed. "3" is printed. An exception is thrown at runtime. "2" is printed. Compilation fails. "1" is printed. "3" is printed. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output of the following program code?class LogicalCompare{ public static void main(String args[]){ String str1 = new String("OKAY"); String str2 = new String(str1); System.out.println(str1 == str2); }} false true 0 1 Displays error message false true 0 1 Displays error message ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be output?String S1 = "S1 ="+ "123"+"456";String S2 = "S2 ="+(123+456); None of This S1=123456, S2=579 S1=579,S2=579 S1=123456,S2=123456 None of This S1=123456, S2=579 S1=579,S2=579 S1=123456,S2=123456 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 true,true None of these false,false false,true true,false true,true None of these false,false false,true ANSWER DOWNLOAD EXAMIANS APP
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