Complete the method below: Public int biggest Number InArray (int [] array) { //

Question

Complete the method below: Public int biggest Number InArray (int [] array) { //This method finds the largest integer value in the array //passed to the method and returns that value Create a class that is referenced in the following line of code: button.addActionlistener (new ButtonListener ()): Complete the method below: Public JPanel buildRadioButtonPanel () { //This method creates a JPanel adds two radio buttons named //"choice 1" and "choice 2" with "choice 1" initially selected. //The panel is returned to the calling method // }

Explanation / Answer

36.)

int arr[] = new int[5];
System.out.println("Enter elements of array:");
for(int uu = 0; uu < n; uu++)
{
arr[uu] = s.nextInt();
}
maximum = arr[0];
for(int uu = 0; uu < n; uu++)
{
if(maximum < arr[uu])
{
maximum = arr[uu];
}
}
System.out.println("Maximum value:"+maximum);
}

38.)

import javax.swing.*;
public class RadioBtn {
JFrame jf;
RadioBtn(){
jf=new JFrame();   
JRadioButton rb1=new JRadioButton("A) Male");
JRadioButton rb2=new JRadioButton("B) Female");
rb1.setBounds(75,50,100,30);
rb2.setBounds(75,100,100,30);
ButtonGroup btn=new ButtonGroup();
btn.add(rb1);
btn.add(rb2);
jf.add(rb1);
jf.add(rb2);
jf.setSize(300,300);
jf.setLayout(null);
jf.setVisible(true);
}
public static void main(String[] args) {
new RadioBtn();
}
}

37.)

package changingcolor;

/**

*

* @author Akshay Bisht

*/

import java.awt.Color;

import java.awt.Container;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;

public class ChangeColor extends JPanel implements ActionListener {

private JButton yloBtn = new JButton("Yellow");

private JButton bluBtn = new JButton("Blue");

private JButton redBtn = new JButton("Red");

  

private JButton greenBtn = new JButton("Green");

  

private JButton orangeBtn = new JButton("Orange");

public ChangeColor() {

add(yloBtn);

add(bluBtn);

add(redBtn);

add(greenBtn);

add(orangeBtn);

yloBtn.addActionListener(this);

bluBtn.addActionListener(this);

redBtn.addActionListener(this);

greenBtn.addActionListener(this);

orangeBtn.addActionListener(this);

}

public void actionPerformed(ActionEvent evt) {

Object src = evt.getSource();

Color col = getBackground();

if (src == yloBtn)

col = Color.yellow;

else if (src == bluBtn)

col = Color.blue;

else if (src == redBtn)

col = Color.red;

else if (src == greenBtn)

col = Color.green;

else if (src == orangeBtn)

col = Color.orange;

setBackground(col);

repaint();

}

public static void main(String[] args) {

JFrame jf = new JFrame("Background Changer");

jf.setSize(640, 480);

jf.addWindowListener(new WindowAdapter() {

public void windowClosing(WindowEvent e) {

System.exit(0);

}

});

Container cont = jf.getContentPane();

cont.add(new ChangeColor());

}

}

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Hope this helps......

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