JAVA Strings String str1 = "Kolkata".replace('k', 'a');In the above statement, the effect on string Kolkata is All characters a are replaced by k. All characters k are replaced by a. Displays error message The first occurrence of k is replaced by a. All characters a are replaced by k. All characters k are replaced by a. Displays error message The first occurrence of k is replaced by a. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings The class string belongs to ................. package. java.applet java.lang java.awt java.string java.applet java.lang java.awt java.string ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings How many Constructor String class have? 7 None of this 13 11 2 7 None of this 13 11 2 ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output?1. public class Test{2. public static void main(String args[]){3. Object myObj = new String[]{"one", "two", "three"};4. {5. for(String s : (String[])myObj) 6. System.out.print(s + ".");7. }8. }9. } An exception is thrown at runtime. one.two.three. Compilation fails because of an error at line 5 None of these Compilation fails because of an error at line 3 An exception is thrown at runtime. one.two.three. Compilation fails because of an error at line 5 None of these Compilation fails because of an error at line 3 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 None of these true,true true,false false,true false,false None of these true,true true,false false,true 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"); } }} Compilation fails. "1" is printed. An exception is thrown at runtime. "2" is printed. "3" is printed. Compilation fails. "1" is printed. An exception is thrown at runtime. "2" is printed. "3" is printed. ANSWER DOWNLOAD EXAMIANS APP
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