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प्रश्न
What is the function of catch block in exception handling? Where does it appear in a program?
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उत्तर
Catch block is used as exception handler in exception handling. We can put the code to deal with the execution that might arise, in this block. Catch block must appear just below the tiy block.
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संबंधित 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);
String x[] = {“SAMSUNG”, “NOKIA”, “SONY”, “MICROMAX”, “BLACKBERRY”};
Give the output of the following statements:
- System.out.println(x[1]);
- System.out.println(x[3].length());
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”);
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”;
Give the output of the following method:
public static void main (String [] args)
{
int a = 5;
a++;
System.out.println(a);
a -= (a--) − (--a);
System.out.println(a);
}
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.
