JAVA Strings The String method compareTo() returns -1 1 true an int value false -1 1 true an int value false 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 str1 = "one";String str2 = "two";System.out.println(str1.concat(str2)); }} one two onetwo twoone None of these one two onetwo twoone 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"); } }} "2" is printed. An exception is thrown at runtime. "3" is printed. "1" is printed. Compilation fails. "2" is printed. An exception is thrown at runtime. "3" is printed. "1" is printed. Compilation fails. 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,true true,true true,false None of these false,false false,true true,true true,false None of these false,false ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be the output?public class Test{ public static void main (String[] args){ String test = "a1b2c3"; String[] tokens = test.split("\\d"); for(String s: tokens) System.out.print(s); } } Compilation error Runtime exception thrown 123 abc Compilation error Runtime exception thrown 123 abc 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); } } Compilation error 9hellow None of these hellow9 Throws an exception as string and int are not compatible for addition Compilation error 9hellow None of these hellow9 Throws an exception as string and int are not compatible for addition ANSWER DOWNLOAD EXAMIANS APP
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