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प्रश्न
String x[ ] = {“Artificial intelligence”, “IOT”, “Machine learning”, “Big data”};
Give the output of the following statements:
(i) System.out.prindn(x[3]);
(ii) System.out.prindn(x.length);
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उत्तर
(i) Big data
(ii) 4
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संबंधित प्रश्न
Write the output for the following :
String s1 = “phoenix”; String s2 =”island”;
System.out.prindn (s1.substring(0).concat (s2.substring(2)));
System.out.println(s2.toUpperCase( ));
Write a program to input a sentence and convert it into uppercase and count and display the total number of words starting with a letter ‘A’.
Example:
Sample Input: ADVANCEMENT AND APPLICATION OF INFORMATION TECHNOLOGY ARE EVER CHANGING.
Sample Output: Total number of words starting with letter A’ = 4.
Write the output for the following :
String s= “Today is Test”;
System.out.println(s.indexOf(‘T’)); System.out.println(s.substring(0, 7) + ” ” + “Holiday”);
What is the function of catch block in exception handling? Where does it appear in a program?
State the output when the following program segment is executed:
String a = "Smartphone", b = "Graphic Art";
String h = a.substring(2, 5);
String k = b.substring(S).toUpperCase();
System.out.println(h);
System.out.println(k.equalsignoreCase(h)); Write the output for the following :
System.out.printIn(“Incredible” + “\n” + “world”);
If int y = 10 then find int z = (++y * (y++ +5));
Rewrite the following program segment using if-else statements instead of the ternary operator:
String grade = (mark >= 90) ? “A” : (mark >= 80) ? “B” : “C”;
State the value of characteristic and mantissa when the following code is executed:
String s = “4.3756”;
int n = s.indexOf(‘.’);
int characteristic=Integer.parseInt (s.substring (0,n));
int mantissa=Integer.valueOf(s.substring(n+1));
Define a class named movieMagic with the following description:
Instance variables/data members:
int year — to store the year of release of a movie.
String title — to-store the title of the movie
float rating — to store the popularity rating of the movie
(minimum rating=0.0 and maximum rating=5.0)
Member methods:
(i) movieMagic() Default constructor to initialize numeric data members to 0 and String data member to “ ”.
(ii) void accept() To input and store year, title and rating.
(iii) void display() To display the title of a movie and a message based on the rating as per the table below.
| Rating | Message to be displayed |
| 0.0 to 2.0 | Flop |
| 2.1 to 3.4 | Semi-hit |
| 3.5 to 4.5 | Hit |
| 4.6 to 5.0 | Super Hit |
Write a main method to create an object of the class and call the above member methods.
