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Java Programming - Program Technical Interview Questions

(#M40167135) JAVA QUESTION Exceptions 3 Keep an EYE

Predict the output

import java.io.IOException;

public class Exception1{

public static void main(String[] args)

{

try

{

throw new IOException();

}

catch(IOException | Exception ex)

{

System.out.println(ex + " handled ");

}

}

}

A. program won't compile
B. runtime exception
C. program will compile
D. None of the above

Asked In Java Jax (3 years ago)

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(#M40158275) JAVA QUESTION Keep an EYE

write a java programof string ; first letter should be upper case and rest in lowecase

Asked In Java div (8 years ago)

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(#M40154459) JAVA QUESTION no.of.uppercase lettere in paragraph Keep an EYE

import java.io.BufferedReader;
//import java.io.FileNotFoundException;
import java.io.FileReader;


public class Calculatefrompara {

private static BufferedReader bin;
public static void main(String[] args) throws Exception {
// TODO Auto-generated method stub


FileReader fin=new FileReader("test.txt");
bin = new BufferedReader(fin);

int Alphabets=0,digits=0,splchars=0,lowercase=0,uppercase=0;
String line=bin.readLine();

int i;
//char c1;
while(line!=null)
{
for( i=0;i=97 && j<=122)|| (j>=65 && j<=90))
{
Alphabets++;
}
else
if(j>=97 && j<=122)
{
lowercase++;
}

else
if(j>=65 && j<=90)
{
uppercase++;
}
else
if(j>=48 && j<=57)
{
digits++;
}
else
{
splchars++;
}


}
line=bin.readLine();


}

System.out.println("alphabets:"+Alphabets);
System.out.println("lowercase:"+lowercase);
System.out.println("uppercase:"+uppercase);
System.out.println("digits:"+digits);
System.out.println("splchrs:"+splchars);

}

}

Asked In Java ROHIT YADAV (9 years ago)

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(#M40153438) JAVA QUESTION program Keep an EYE

Question: Write a program to find all the combinations between 1 and 1000 in which
1. doubling the first number and substracting from the second number will give a result of zero.
2. if the result is not 0, double the result and use it as the first number and repeat step 1.

Asked In Java srikar (10 years ago)

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(#M40147201) JAVA QUESTION Abstract and Interfaces Keep an EYE

Does the compiler creates a default constructor in interfaces?

Asked In Java Vaishali (10 years ago)

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(#M40031855) JAVA QUESTION Keep an EYE

What is the output of this program?

class area {
public static void main(String args[])
{
double r, pi, a;
r = 9.8;
p1 = 3.14;
a = pi * r * r;
System.out.println(a);
}
}
a) 301.5656
b) 301
c) 301.56
d) 301.56560000

Asked In Java Rajendra Singh (11 years ago)

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(#M40031854) JAVA QUESTION Keep an EYE

What is the output of this program?

class conversion {
public static void main(String args[])
{
double a = 295.04;
int b = 300;
byte c = (byte) a;
byte d = (byte) b;
System.out.println(c + " " + d);
}
}
a) 38 43
b) 39 44
c) 295 300
d) 295.04 300

Asked In Java Rajendra Singh (11 years ago)

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(#M40031853) JAVA QUESTION Keep an EYE

What is the output of this program?

class average {
public static void main(String args[])
{
double num[] = {5.5, 10.1, 11, 12.8, 56.9, 2.5};
double result;
result = 0;
for (int i = 0; i < 6; ++i)
result = result + num[i];
System.out.print(result/6);

}
}
a) 16.34
b) 16.566666644
c) 16.46666666666667
d) 16.46666666666666

Asked In Java Rajendra Singh (11 years ago)

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(#M40031852) JAVA QUESTION Keep an EYE

Which of the following are legal lines of Java code?
1. int w = (int)888.8;
2. byte x = (byte)100L;
3. long y = (byte)100;
4. byte z = (byte)100L;
a) 1 and 2
b) 2 and 3
c) 3 and 4
d) All statements are correct.

Asked In Java Rajendra Singh (11 years ago)

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(#M40031270) JAVA QUESTION java Keep an EYE

Q. Can we execute a java program without main() method ?

Asked In Java muralikrishna guntuku (11 years ago)

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