Example

2.2.1 Write, compile the first Java application:

Source: Example/HelloWorld.java

2.2.2 Write, compile the first dialog Java program:

Source: Example/FirstDialog.java

2.2.3 Write, compile the first input dialog Java application:

Source: Example/HelloNameDialog.java

2.2.4 Write, compile, and run the following example:

Source: Example/ShowTwoNumbers.java

Exercises

2.2.5 Write a program to calculate sum, difference, product, and quotient of 2 double numbers which are entered by users.

Source: Calculator.java

2.2.6 Write a program to solve: linear equation with one variable, linear system with two variables, second-degree equation with one variable.

Source: PhuongTrinhBacHai.java

6.1 Write, compile and run the ChoosingOption program:

Source: ChoosingOption.java

6.2 Write a program for input/output from keyboard:

Source: InputFromKeyboard.java

6.3 Write a program to display a triangle with a height of n stars (*), n is entered by users.

Source: DisplayTriangle.java

6.4 Write a program to display the number of days of a month.

Source: DisplayDayOfMonth.java

6.5 Write a Java program to sort a numeric array, and calculate the sum and average value of array elements.

Source: SortArray.java

6.6 Write a Java program to add two matrices of the same size.

Source: AddTwoMatrices.java