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int[][] intervalNumbers = { { 1, 3 }, { 2, 6 }, { 8, 10 } };

for (int[] temp : intervals) {
ll.add(new Interval(temp[0], temp[1]));

means, get inner arrays in loop:
temp = { 1, 3 }
...

public class A {
static int a = 0;
static long b = 100;

public static void main(String[] args) {
for (;;) {
System.err.println( a++);
if (a > b)
break;
...

String is object, == compares
if two objects are exactly same, not
if they have stored same values "a"
use
x.equals("a")
for better result

sortList() is working,
might something in rest of LinkedList can be wrong
(I suppose you wrote your own LinkedList class)

by input:
10 20

you get:
new b1( x=10; ref=null)

element = b1
while() {
element = b1.ref // null
}

The graphic of code that you posted correctly displays a progressbar, albeit in an infinite loop.
The problem may be how calculate or get value of boh variable, and if there is correct increment...

C:\Program Files\Java\jdk-17.0.2\bin
C:\Program Files\Java\jdk-17.0_2\bin

find one difference
0.2
0_2

local final String is constant like literal String
two literal constants concatenated by + ,can be stored in the pool
as compile-time optimalisation like


String s7 = "AB"+"C";...

especially support for beginers is here
https://www.sololearn.com/home

better accessed by app
coding by online IDE

your code returns Command or int,
only one is correct

use wildcard Class<?>



import java.lang.reflect.Method;

class Class_forName_test {
public static void main( String[] args) throws Exception {
String className = "javax.swing.JMenu";...

official Oracle Java SE download is this
https://www.oracle.com/java/technologies/downloads/#jdk17-windows

learn about method parameters



newVend.Secondary( price, paid);
}
public void Secondary( Double price, int paid) {
System.out.println("price is " +price);
...

String str = "My name?It's me Sumon?There was a logic behind it.where is the basic knowledge?i can go the the room.";
String[] splited = str.split( "(?<=[\\.|\\?])" );

for (String s:...

after start arr.length is 0, then can't do
if (arr[0] == null)
because [0] doesn't exist

countElements can't be static in situation of two sets with different length



public boolean...

Hiding informations is not about speed, it's about
. maintaining a large projects,
it is easier to rewrite or change part of code if not direct depending on others parts.
change probably does not...

also it is possible to store temporary results to array
and print it in separated method or in main()
but this is more demonstrative



import java.util.Scanner;

public class RecursionPower...

this code works as I expect and ends after 0.
What you have in main() ?

Java is not Javascript

add your code here

this is Java forum

look if intetsects() is true after moveDOWN()
and if move down snd up works in this situation, because result is stop move
look at loop where check() is called if its condition is still true
do...

there is no attachments, copy your code and error message here

what is in Main ?

SiteEntry.browseInfo can't be static in



class SiteEntry extends BrowseAction implements CommonStat {
private static BrowseInfo browserInfo;


for understand it try this simple...