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1 week ago | [YT] | 61

CoDing SeeKho

❓ Today's Challenge

What will next() read from this input?

Input:
Vikas Singh

👇 Vote your answer in today's poll.

2 weeks ago | [YT] | 5

CoDing SeeKho

🚀 Daily Coding Dose #14

📌 Topic: How to Take String Input in Java?

🧠 What is String Input?

A String is a sequence of characters used to store text.

Examples:
👤 Name
🏙️ City
📚 Course Name

In Java, we can use the Scanner class to take String input from the user.

💻 Example

import java.util.Scanner;

Scanner sc = new Scanner(System.in);

System.out.print("Enter your name: ");
String name = sc.nextLine();

System.out.println("Hello " + name);

📌 If the user enters:

Vikas

📌 Output:

Hello Vikas

🔍 Understanding the Code

Scanner sc = new Scanner(System.in);

👉 Creates a Scanner object to take input.

String name = sc.nextLine();

👉 Reads a complete line of text from the user.

🌍 Real-Life Example

Imagine a registration form. 📝

Name: Vikas
City: Nashik
Course: Java Full Stack

All these are text values, so we can store them using String.

⚠️ Common Mistake

Beginners often use:

String name = sc.next();

Instead of:

String name = sc.nextLine();

✅ next() → Reads input until a space.

Example:
"Vikas Singh"
➡️ Reads only "Vikas"

✅ nextLine() → Reads the complete line.

Example:
"Vikas Singh"
➡️ Reads "Vikas Singh"

💡 Pro Tip

Remember:

next() → One word
nextLine() → Complete line

This difference becomes very important when taking user input in Java.

📚 Tomorrow's Topic:
What are Arithmetic Operators in Java?

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📚 Daily Coding Dose by Coding Seekho
💙 Learn • Practice • Get Placed 🚀

2 weeks ago | [YT] | 3

CoDing SeeKho

🚀 Daily Coding Dose #13

📌 Topic: print() vs println() in Java

🧠 What is the Difference?

Both print() and println() are used to display output on the screen.

The main difference is:

👉 print() → Prints on the same line
👉 println() → Prints and moves the cursor to the next line

💻 Example

System.out.print("Hello ");
System.out.print("Java");

📌 Output:
Hello Java

Here, both messages are printed on the same line.

Now let's see println():

System.out.println("Hello");
System.out.println("Java");

📌 Output:
Hello
Java

Here, println() moves to the next line after printing.

🌍 Real-Life Example

Think of writing in a notebook. 📖

🖊️ print() → Continue writing on the same line.

🖊️ println() → Press Enter and start a new line.

⚠️ Common Mistake

Don't think that println() and print() are completely different output functions.

✅ Both are used to display output.

The difference is only how they handle the next line.

💡 Pro Tip

You can also use print() and println() together:

System.out.print("Name: ");
System.out.println("Vikas");

📌 Output:
Name: Vikas

📚 Tomorrow's Topic:
How to take String Input from the User in Java?

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📚 Daily Coding Dose by Coding Seekho
💙 Learn • Practice • Get Placed 🚀

2 weeks ago | [YT] | 12

CoDing SeeKho

Daily Coding Dose.

2 weeks ago | [YT] | 54

CoDing SeeKho

🚀 Daily Coding Dose #12

📌 Topic: Input & Output in Java

🧠 What is Input & Output?

In programming, we often need to:

📥 Take data from the user → Input
📤 Show information to the user → Output

For example, if we create a program to calculate a student's percentage:

📥 Input → Marks
⚙️ Process → Calculate Percentage
📤 Output → Display Percentage

💻 Output in Java

To display something on the screen, we use:

System.out.println("Hello, Java!");

📌 Output:
Hello, Java!

💻 Taking Input from User

Java provides the Scanner class to take input from the user.

Example:

import java.util.Scanner;

Scanner sc = new Scanner(System.in);

System.out.print("Enter your age: ");
int age = sc.nextInt();

System.out.println("Your age is: " + age);

📌 Here:

Scanner → Used to take input
nextInt() → Reads an integer value
System.out → Displays a message

🌍 Real-Life Example

Think about an ATM. 🏧

📥 You enter your PIN → Input
⚙️ ATM verifies the PIN → Processing
📤 ATM shows your balance → Output

The same basic concept is used in programming.

⚠️ Common Mistake

Beginners sometimes confuse:

System.out.print()
System.out.println()

✅ print() → Prints on the same line

✅ println() → Prints and moves to the next line

Example:

System.out.print("Hello ");
System.out.print("Java");

📌 Output:
Hello Java

💡 Pro Tip

Most real-world programs follow this basic pattern:

📥 Input → ⚙️ Process → 📤 Output

Understanding this pattern will help you solve programming problems much more easily.


📚 Tomorrow's Topic:
What is the difference between print() and println()?

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📚 Daily Coding Dose by Coding Seek

1 month ago | [YT] | 23

CoDing SeeKho

❓ Today's Challenge

What will be the output?

double x = 10.75;
int y = (int) x;

System.out.println(y);

2 months ago | [YT] | 7

CoDing SeeKho

🚀 Daily Coding Dose #11

📌 Topic: What is Type Casting in Java?

🧠 What is Type Casting?

Type Casting means converting a value from one data type into another data type.

In simple words, it means telling Java:

👉 "Convert this value into another type."

There are two main types of type casting in Java:

1️⃣ Widening Casting
2️⃣ Narrowing Casting

🔹 1. Widening Casting

Converting a smaller data type into a larger data type.

Example:

int number = 100;
double value = number;

System.out.println(value);

📌 Output:
100.0

Here, int is automatically converted into double.

✅ No data loss
✅ Automatic conversion

🔹 2. Narrowing Casting

Converting a larger data type into a smaller data type.

Example:

double price = 99.99;
int value = (int) price;

System.out.println(value);

📌 Output:
99

Here, double is converted into int using (int).

⚠️ Important:
Decimal information is lost during narrowing casting.

🌍 Real-Life Example

Imagine you have a large water tank and a small bottle. 🪣➡️🍼

Moving water from the bottle to the tank is easy.

But moving water from a large tank into a small bottle may require you to handle the extra water.

Similarly:

Small Data Type ➡️ Large Data Type
Usually safe ✅

Large Data Type ➡️ Small Data Type
May lose data ⚠️

💡 Pro Tip

Remember:

Widening → Automatic ✅
Narrowing → Manual Casting ⚠️


📚 Tomorrow's Topic:
What is Input and Output in Java?

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📚 Daily Coding Dose by Coding Seekho
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2 months ago | [YT] | 6

CoDing SeeKho

Life change karni hai toh latest uploaded video coding seekho channel ka dekho.

2 months ago | [YT] | 18

CoDing SeeKho

❓ Today's Challenge

Which of the following is a VALID Java identifier?

2 months ago | [YT] | 14