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. All characters a are replaced by k. Displays error message The first occurrence of k is replaced by a. All characters k are replaced by a. All characters a are replaced by k. Displays error message The first occurrence of k is replaced by a. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be output?String S1 = "S1 ="+ "123"+"456";String S2 = "S2 ="+(123+456); S1=579,S2=579 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 ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings Determine output:public class Test{ public static void main(String args[]){ String s1 = "SITHA";String s2 = "RAMA";System.out.println(s1.charAt(0) > s2.charAt(0)); }} 0 Throws Exception false true Compilation error 0 Throws Exception false true Compilation error 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"); } }} "3" is printed. An exception is thrown at runtime. Compilation fails. "2" is printed. "1" is printed. "3" is printed. An exception is thrown at runtime. Compilation fails. "2" is printed. "1" 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); } } 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 Compilation error ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings The class string belongs to ................. package. java.applet java.awt java.string java.lang java.applet java.awt java.string java.lang ANSWER DOWNLOAD EXAMIANS APP
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