Coding Wallah Sir

Hanji, kaise ho sare ?

I just want to know why you have subscribed to the CODING WALLAH ?

1 week ago | [YT] | 14

Coding Wallah Sir

Happy Independence Day to all my Loving Students 💖

🇮🇳 This 15th August – Set Your Career Free! 🚀

Hanji, still stuck in endless tutorials?
This Independence Day, break free from confusion and start your journey as a Job-Ready Java Full Stack Developer.

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1 week ago | [YT] | 18

Coding Wallah Sir

Day 9 - JAVA QUIZ 🔥

Aaj ka sawal apki 👀 scanning power check krega logic nahi, so dhyaan se dekho or ams tick kroo

public class TestArray {
public static void main(String[] args) {
int[] arr = {10, 20, 30, 40, 50};
System.out.println(arr[0] + arr[2] + arr[arr.length() - 1]);
}
}


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Let’s make this Independence Day count for your career growth! 🇮🇳

1 week ago | [YT] | 8

Coding Wallah Sir

Day 8 🔥 - JAVA QUIZ CHALLANGE

HANJI KAL SHAYAD THODA tricky and tough ho gaya question , aaj simple substring() ka basic use hai.

String s = "Python";
System.out.println(s.substring(0, 2) + s.substring(4));


Let's see ab to sahi kr dena tick 😅😅

2 weeks ago | [YT] | 8

Coding Wallah Sir

🔥 Day 7 – Java Quiz Challenge

Aaj ka sawaal string manipulation lovers ke liye hai — replace bhi hoga, reverse bhi, aur index trap bhi 😎

String str = "JAVAQUIZ";
str = str.replace("A", "*");
String rev = "";
for (int i = str.length() - 1; i >= 0; i -= 2) {
rev += str.charAt(i);
}
System.out.println(rev);


💬 Dry run karke answer comment karo, guessing allowed nahi 😏

2 weeks ago | [YT] | 9

Coding Wallah Sir

🔥 Day 6 – Java Quiz Challenge

Aaj ka sawaal Strings + Loops se hai – apki chhoti si galti aur answer galat ho saktaa hai 😏
dhyaan se code padhna and solve krna

String str = "CODE";

String result = "";
for (int i = 0; i < str.length(); i++) {
result += str.charAt(i) + "*";
}
System.out.println(result.length() * 2);


🎉 15 August ko Java Full Stack Course ka Freedom Offer aayega 🚀

2 weeks ago | [YT] | 10

Coding Wallah Sir

🔥 Day 5 – Java Quiz Challenge

Aaj ka sawaal Arrays + Loops se hai — dekhte hain kaun dry run karke sahi answer deta hai

int[] arr = {1, 2, 3, 4, 5};
int sum = 0;
for (int i = 0; i < arr.length; i++) {
if (i % 2 == 0) {
sum += arr[i];
} else {
continue ;
sum -= arr[i];
}
}
System.out.println(sum);

---------
💬 Comment me batana pehle se question ka level badha ha ? Ya fir pr tough kre level 😅😅

2 weeks ago | [YT] | 6

Coding Wallah Sir

🔥 Day 4 – Java Quiz Challenge

Aaj if-else ka code snippet dekhenge.

zara dhyan se dekho ... aur guess karo output:

int x = 10;
if (x < 10)
System.out.println("A");
else if (x == 10)
System.out.println("B");
else
System.out.println("C");

2 weeks ago | [YT] | 13

Coding Wallah Sir

🔥 Day 2 – Java Quiz Challenge

Aaj ka sawaal Loops (for loop) se hai – ek chhoti si dry run mistake sab galat kar deti hain 😅

👇 Guess the Output:

for (int i = 1; i <= 5; i++) {
if (i == 3) {
continue;
}
System.out.print(i + " ");
}

💬 Comment your answer + dry run explanation if you can 😎

🔥 Daily Quiz Series chal rahi hai – don’t miss any day!

2 weeks ago | [YT] | 25

Coding Wallah Sir

Java 30 Day's 🔥 FIRE QUIZ - Day 2
Hanji, kya haal hai JAVA gang ?

Which of the following is a valid variable name in Java?

3 weeks ago | [YT] | 4