Java programming Remarks
The Java programming language is… • General-purpose: It is designed to be used for writing software in a wide variety
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Java’s Past, Present, and Future
The Java language was developed at Sun Microsystems in 1991 as part of a research project to develop software for
Read moreThe Constant Pool
We said that the constant pool contains a great deal of information. In fact it contains an interesting mixture of
Read moreThe Development Environment
Once you have installed the Java 2 SDK, you can start creating Java source code and compiling it. Java is
Read moreA Closer Look at the First Sample Program
Although Example.java is quite short, it includes several key features that are common to all Java programs. Let’s closely examine
Read moreCompiling the Program
To compile the Example program, execute the compiler, javac, specifying the name of the source file on the command line,
Read moreEntering the Program
For most computer languages, the name of the file that holds the source code to a program is immaterial. However,
Read moreJava Program to print Odd numbers from 1 to n or 1 to 100
public class JavaEx { public static void main(String args[]) { int n = 100; System.out.print(“Odd Numbers from 1 to “+n+”
Read moreJava Program to Add Two Complex Numbers
public class ComplexNumber{ double real, img; ComplexNumber(double r, double i){ this.real = r; this.img = i; } public static
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java hello world program
Hello World Program class HelloWorld { public static void main(String args[]) { System.out.println(“Hello World”); } }
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