I need help building a GUI in java based on the code provided

Must be able to:

1 vs 1 2 vs 2

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Main.java

import project3.characters.Bear; import project3.characters.Lion; import java.util.Random;

public class Main {

public static void main(String[] args){

Bear Bear = new Bear("Black Bear"); Lion Lion = new Lion("King of the Jungle");

System.out.println(" Characters in Fight:"); System.out.println(Bear); System.out.println(Lion);

System.out.println(" Fight Started");

Random random = new Random(); int round = 1; while (Bear.isAlive() && Lion.isAlive()){ int numOfAttackByBear = random.nextInt(5); for(int i=0; i

int numOfAttackByLion = random.nextInt(5); for(int i=0; i

System.out.println(" Status After Round "+round+" : "); System.out.println(Bear); System.out.println(Lion); round++; } System.out.println(" Fight Finished"); if(!Bear.isAlive()){ System.out.println(" Bear is dead."); } else { System.out.println(" Lion is dead."); } } }

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Characters.java

package project3.characters;

public abstract class Characters {

protected String name;

protected int strength;

protected int health;

public Characters(String name) {

this.name = name;

}

public String getName() {

return name;

}

public int getStrenght() {

return strength;

}

public int getHealth() {

return health;

}

public abstract int attack();

public abstract void hit(int points);

public abstract boolean isAlive();

@Override

public String toString() {

return "Name: " + name + ", Strength: " + strength + ", Health: " + health ;

}

}

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Lion.java

package project3.characters;

public class Lion extends Characters{

public Lion(String name) {

super(name);

this.health = 100;

this.strength = 10;

}

@Override

public int attack() {

return strength;

}

@Override

public void hit(int points) {

this.health -= points;

}

@Override

public boolean isAlive() {

return health>=0;

}

@Override

public String toString() {

return "[ Lion, "+super.toString()+" ]";

}

}

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Gorilla.java

package project3.characters;

public class Gorilla extends Characters{

public Gorilla(String name) {

super(name);

this.health = 100;

this.strength = 10;

}

@Override

public int attack() {

return strength;

}

@Override

public void hit(int points) {

this.health -= points;

}

@Override

public boolean isAlive() {

return health>=0;

}

@Override

public String toString() {

return "[ Gorrilla, "+super.toString()+" ]";

}

}

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Bear.java

package project3.characters;

public class Bear extends Characters{

public Bear(String name) {

super(name);

this.health = 100;

this.strength = 10;

}

@Override

public int attack() {

return strength;

}

@Override

public void hit(int points) {

this.health -= points;

}

@Override

public boolean isAlive() {

return health>=0;

}

@Override

public String toString() {

return "[ Bear, "+super.toString()+" ]";

}

}

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Hippo.java

package project3.characters;

public class Hippo extends Characters{

public Hippo(String name) {

super(name);

this.health = 100;

this.strength = 10;

}

@Override

public int attack() {

return strength;

}

@Override

public void hit(int points) {

this.health -= points;

}

@Override

public boolean isAlive() {

return health>=0;

}

@Override

public String toString() {

return "[ Hippo, "+super.toString()+" ]";

}

}