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"); } }} "1" is printed. Compilation fails. An exception is thrown at runtime. "2" is printed. "3" is printed. "1" is printed. Compilation fails. An exception is thrown at runtime. "2" is printed. "3" is printed. ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings The class string belongs to ................. package. java.lang java.string java.awt java.applet java.lang java.string java.awt java.applet ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings The String method compareTo() returns an int value true -1 false 1 an int value true -1 false 1 ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What is the output of the following println statement?String str1 = "Hellow";System.out.println(str1.indexOf('t')); 0 -1 1 true false 0 -1 1 true false 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 Compilation error hellow9 None of these Throws an exception as string and int are not compatible for addition 9hellow Compilation error hellow9 None of these Throws an exception as string and int are not compatible for addition ANSWER DOWNLOAD EXAMIANS APP
JAVA Strings What will be output?String S1 = "S1 ="+ "123"+"456";String S2 = "S2 ="+(123+456); S1=123456,S2=123456 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 ANSWER DOWNLOAD EXAMIANS APP
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