import org.jbox2d.pooling.normal.DefaultWorldPool; //导入依赖的package包/类
@Test
public void testCircleContactStack() {
    System.out.println("A");
    DefaultWorldPool thePool = new DefaultWorldPool(10, 10);
    System.out.println("B");
    IDynamicStack<Contact> theCircleStack = thePool.getCircleContactStack();
    System.out.println("C");
    Contact theContact = theCircleStack.pop();
    System.out.println("D");
    Assert.assertTrue(theContact instanceof CircleContact);
    System.out.println("E");
}
 

import org.jbox2d.pooling.normal.DefaultWorldPool; //导入依赖的package包/类
@Test
public void testLinkDefaultWorld() {
    DefaultWorldPool thePool = new DefaultWorldPool(1, 1);
}
 

import org.jbox2d.pooling.normal.DefaultWorldPool; //导入依赖的package包/类
public World(Vec2 gravity, boolean doSleep){
	this(gravity, doSleep,
			new DefaultWorldPool(WORLD_POOL_SIZE, WORLD_POOL_CONTAINER_SIZE));
}
 

import org.jbox2d.pooling.normal.DefaultWorldPool; //导入依赖的package包/类
/**
 * @deprecated please use {@link #raycast(RayCastOutput, RayCastInput, IWorldPool)} for better
 *             performance
 * @param output
 * @param input
 * @return
 */
public final boolean raycast(final RayCastOutput output, final RayCastInput input) {
  return raycast(output, input, new DefaultWorldPool(4, 4));
}
 

import org.jbox2d.pooling.normal.DefaultWorldPool; //导入依赖的package包/类
/**
 * Construct a world object.
 * 
 * @param gravity the world gravity vector.
 */
public World(Vec2 gravity) {
  this(gravity, new DefaultWorldPool(WORLD_POOL_SIZE, WORLD_POOL_CONTAINER_SIZE));
}
 

import org.jbox2d.pooling.normal.DefaultWorldPool; //导入依赖的package包/类
/**
 * Construct a world object.
 * 
 * @param gravity the world gravity vector.
 */
public World(Vector2 gravity) {
  this(gravity, new DefaultWorldPool(WORLD_POOL_SIZE, WORLD_POOL_CONTAINER_SIZE));
}
 

import org.jbox2d.pooling.normal.DefaultWorldPool; //导入依赖的package包/类
/**
 * @deprecated please use
 *             {@link #raycast(RayCastOutput, RayCastInput, IWorldPool)} for
 *             better performance
 * @param output
 * @param input
 * @return
 */
public final boolean raycast(final RayCastOutput output,
		final RayCastInput input) {
	return raycast(output, input, new DefaultWorldPool(4, 4));
}
 

import org.jbox2d.pooling.normal.DefaultWorldPool; //导入依赖的package包/类
/**
 * Construct a world object.
 * 
 * @param gravity the world gravity vector.
 */
public ParticleWorld(Vec2 gravity) {
	super(gravity, new DefaultWorldPool(WORLD_POOL_SIZE, WORLD_POOL_CONTAINER_SIZE));
}