How to set color in java

How to set the color in java: First, add R to the Windows icon key to open the run, enter mspaint, and press Enter to open the drawing software; then open the edit color and select the required color; finally fill in the corresponding code. Get the color you want.

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How to set color in java:

This example uses the background color of a JButton in JFrame to demonstrate. The source code is as follows:

package First; import java.awt.Color; import java.awt.Container; import javax.swing.JButton; import javax.swing.JFrame; public class ColorSets extends JFrame { public ColorSets() { JFrame f = null;// 界面 f = this; this.setSize(300, 200);// 设置界面大小 this.setTitle("颜色设置");// 标题 this.setLocationRelativeTo(null);// 居中 this.setVisible(true);// 设为可见 Container c;// 容器 c = this.getContentPane();// 添加界面进容器 JButton jbutton = new JButton("显示颜色");// 按钮 jbutton.setBackground(new Color(0,173,232));// 设置按钮背景颜色 jbutton.setBounds(95, 65, 100, 40);// 设置大小位置 jbutton.setFocusPainted(false);// 取消文字焦点 c.add(jbutton);// 添加按钮 } public static void main(String[] args) { new ColorSets(); } }

The running results are as follows:

The color of this button is set by the following code. The three parameters in

jbutton.setBackground(new Color(0,173,232));// 设置按钮背景颜色

new Color(0,173,232) are the red (R), green (G), and blue (B) values. How to know what you need? What about the three parameter values of color?

Method steps:

1. Windows icon key R to open Run, enter mspaint, and press Enter to open the painting software;

2. Open the edit color:

3. After selecting the required color, you can see three parameter values in the red box in the lower right corner;

4. Fill in the corresponding code to get the desired color.

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