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The document outlines key characteristics of Java, including its object-oriented nature, distributed computing capabilities, interpreted execution, robust error handling, security features, architecture neutrality, and portability. It also provides instructions on compiling and running a simple Java program using command-line commands. Additionally, the document includes examples of output statements and escape sequences in Java.

MODERN INSTITUTE OF ENGINEERING AND TECHNOLOGY
NAME- ARKA SAHOO
ROLL NO- 26900321025
YEAR- 4TH
SEMESTER-7TH
DEPARTMENT-ECE
SUBJECT- WEB TECHNOLOGY
TOPIC-JAVA CHARACTERISTICS

1. Java is Object-Oriented
• Object-oriented programming provides great flexibility, modularity, clarity, and
reusability through encapsulation, inheritance, and polymorphism.
2. Java Is Distributed
• Distributed computing involves several computers working together on a network.
• Java is designed to make distributed computing easy as networking capability is
inherently integrated into Java.
• Thus, writing network programs is like sending and receiving data to and from a
file.
CHARACTERISTICS OF JAVA

3. Java Is Interpreted
• You need an interpreter to run Java programs.
• The programs are compiled into the Java Virtual Machine code called bytecode.
• The bytecode is machine-independent and can run on any machine that has a Java
interpreter, which is part of the Java Virtual Machine (JVM).
4. Java Is Robust
• Java compilers can detect many problems that would first show up at execution
time in other languages.
• Java has a runtime exception-handling feature to provide programming support
for robustness.
CHARACTERISTICS OF JAVA

5. Java Is Secure
• Java implements several security mechanisms to protect your system against
harm caused by stray programs.
6. Java Is Architecture-Neutral
• Write once, run anywhere. With a Java Virtual Machine (JVM), you can write one
program that will run on any platform.
7. Java Is Portable
• They can be run on any platform without being recompiled.
CHARACTERISTICS OF JAVA

 Set path to JDK bin directory
set path=c:Program Filesjavajdk1.6.0
bin
 Set classpath to include the current directory
set classpath=.
 Compile
javac Welcome.java
 Run
java Welcome
COMPILING AND RUNNING JAVA FROM THE CMD

1. System.out.println(“Hello World”); – outputs the string
“Hello World” followed by a new line on the screen.
2. System.out.print(“Hello World”); - outputs the string
“Hello World” on the screen. This string is not followed by a new line.
3. Some Escape Sequence –
• n – stands for new line character
• t – stands for tab character
PRINTING ON THE SCREEN

//This program prints Welcome to Java!
public class Welcome {
public static void main(String[] args) {
System.out.println("Welcome to Java!");
}
}
A SIMPLE JAVA PROGRAM

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powerpoint presentation on Java characteristics

1. MODERN INSTITUTE OF ENGINEERING AND TECHNOLOGY NAME- ARKA SAHOO ROLL NO- 26900321025 YEAR- 4TH SEMESTER-7TH DEPARTMENT-ECE SUBJECT- WEB TECHNOLOGY TOPIC-JAVA CHARACTERISTICS

2. 1. Java is Object-Oriented • Object-oriented programming provides great flexibility, modularity, clarity, and reusability through encapsulation, inheritance, and polymorphism. 2. Java Is Distributed • Distributed computing involves several computers working together on a network. • Java is designed to make distributed computing easy as networking capability is inherently integrated into Java. • Thus, writing network programs is like sending and receiving data to and from a file. CHARACTERISTICS OF JAVA

3. 3. Java Is Interpreted • You need an interpreter to run Java programs. • The programs are compiled into the Java Virtual Machine code called bytecode. • The bytecode is machine-independent and can run on any machine that has a Java interpreter, which is part of the Java Virtual Machine (JVM). 4. Java Is Robust • Java compilers can detect many problems that would first show up at execution time in other languages. • Java has a runtime exception-handling feature to provide programming support for robustness. CHARACTERISTICS OF JAVA

4. 5. Java Is Secure • Java implements several security mechanisms to protect your system against harm caused by stray programs. 6. Java Is Architecture-Neutral • Write once, run anywhere. With a Java Virtual Machine (JVM), you can write one program that will run on any platform. 7. Java Is Portable • They can be run on any platform without being recompiled. CHARACTERISTICS OF JAVA

5.  Set path to JDK bin directory set path=c:Program Filesjavajdk1.6.0 bin  Set classpath to include the current directory set classpath=.  Compile javac Welcome.java  Run java Welcome COMPILING AND RUNNING JAVA FROM THE CMD

6. 1. System.out.println(“Hello World”); – outputs the string “Hello World” followed by a new line on the screen. 2. System.out.print(“Hello World”); - outputs the string “Hello World” on the screen. This string is not followed by a new line. 3. Some Escape Sequence – • n – stands for new line character • t – stands for tab character PRINTING ON THE SCREEN

7. //This program prints Welcome to Java! public class Welcome { public static void main(String[] args) { System.out.println("Welcome to Java!"); } } A SIMPLE JAVA PROGRAM

8. THANK YOU

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