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Java Programming
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Course Name
MCA (Master of Computer Application)
Subject Code MC0078 (Java Programming)
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PART - A
PART - B
PART - C
Subject : Java Programming
MC0078 : PART - C
| Q. 1 | The Fruit class declares the following
method to return
a float value calculated from a size of a fruit.
public float calories (float serving)
A junior programmer writing the Apple class,
which extends Fruit, proposes to declare the |
| | A) | It won't compile because of the different
return type |
| B) | It won't compile because of the different
name in the parameter list | | C) | It will compile but will be incompatible with
other use of the method, because you can't cast
the double return type to float | | D) | It will compile and be compatible with other
uses of the calories method | | | | | Q. 2 | You are writing a set of classes related
to Marks Report and have created your own
exception hierarchy derived from
java.lang.Exception as follows:
java.lang.Exception
+-- MarksException
+--OutOfRangeException
Your custom excep |
| | A) | new OutOfRangeException ("Marks is not in
the Range"); |
| B) | throws new OutOfRangeException ("Marks is
not in the Range"); | | C) | throw new OutOfRangeExcep tion ("Marks is
not in the Range"); | | D) | throw OutOfRangeException ("Marks is not
in the Range"); | | | | | Q. 3 | Given the following method that will be
called with various input values:
public void soundOff(int x){
switch(x){
case 1: System.out.print("One”)
case 2: System.out.print(“Two”) break;
case 3: Systern.out.print("Three ");
defau |
| | A) | Input = 0, Output = "Zero" |
| B) | Input = 1, Output = "One" | | C) | Input = 2, Output ~ "One Two" | | D) | Input = 3, Output = "Three Do What?" | | | | | Q. 4 | Assume that the following program has
been compiled and Radio.class file is in the
current directory.
class Radio {
public static void main(String args[j) {
int n = 0;
System.out.println
("The ray is "+args[++n]);
}
} < |
| | A) | Radio alpha beta gamma |
| B) | java Radio gamma beta | | C) | java Radio alpha gamma | | D) | java Radio.class beta gamma | | | | | Q. 5 | 31. Select correct Syntaxes
1. for (initialization; test condition; modifier
expression;)
2. for (initialization1, initialization2;
test conditon1, test condition2;
modifier1, modifier2)
{ body of the loop};
3. while (test cond |
| | A) | 1 |
| B) | 1 and 2 | | C) | 2, 3 | | D) | All the above | | | |
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