Java.lang.class is a runtime representation of classes and interfaces.
Questions tagged [java.lang.class]
97 questions
-1
votes
1 answer
I am facing java.lang.OutOfMemoryError in webapplication for large data
I have more than 20 category in which each category contains more than 400+ subcategories in webapplication.
When I press perticular category button it throws java.lang.OutOfMemoryError. Here is java file code. In this code, I am putting subcategory…

samkit shah
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votes
1 answer
java.lang.NullPointerException while creating a Mp3Player
This was the code I was writing to start a Mp3Player by watching a video tutorial.
I searched a lot for this issue but unable to sort out the error.
After running this code , I am getting java.lang.NullPointerException error. My code looks somewhat…

Red Devil
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votes
3 answers
returning an array but gives .class java
Hey guys i'm a newby programmer, and i'm getting a .class in return from this, but not sure what its asking. Any help would be awesome thank you!
public static Letter[] addLetter(Letter[] array, Scanner kb)
{
Letter[] temp = new…

Bob
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votes
4 answers
Can we access static members and static functions of a class with the help of instance variables of that class in java?
To illustrate the contrast. Look at the following java snippet:
public class Janerio {
public static void main(String[] args) {
new Janerio().enemy();
}
public static void enemy() {
System.out.println("Launch an…

Deep Roy
- 89
- 10
-2
votes
2 answers
Android : Fatal Exception Main toast
Hi i always have this error: Android : Fatal Exception Main!! It's my first app and so i have several problems..i can't understand how android works :( :
package com.mkyong.android;
import android.app.Activity;
import android.os.Bundle;
import…

Atlas91
- 5,754
- 17
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- 141
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votes
2 answers
What kind of structure java/lang/String in java?
I decompiles one file, using Java Decompiler
I found such line in my code, as below
arg = remoteActionArgument.getDataType().getJavaDataType().getConstructor(new Class[] {
java/lang/String
}).newInstance(new…

Duaan
- 609
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votes
1 answer
.class - what is this construction and how it works?
I am beginner in programming and i just started working with greenfoot (software for creating games using Java). When i was writing code i had to use construction builded in greenfoot which was using parameter described as: java.lang.class where i…

schemaboi
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