如何修复Java中Unresolved compilation problem: 缺失}完成ClassBody错误？

错误原因 #

你的代码中遍历生成实体的for循环缺少闭合花括号，导致编译器无法正确解析类体结构，触发该错误。具体来说：

• 从for (int i = 0; i < 400; i++) {开始的循环包含两个if分支，但循环结束后未添加}，直接执行后续代码，破坏了语法结构。

修复步骤 #

在第二个if块结束后、MasterRenderer renderer = new MasterRenderer();这一行的上方，添加一个}来闭合整个for循环。

修正后的关键代码片段 #

if (i % 5 == 0) {
            float x = random.nextFloat() * 800 - 400;
            float z = random.nextFloat() * -600;
            float y = terrain.getHeightOfTerrain(x, z);
            entities.add(new Entity(bobble, new Vector3f(x, y, z), 0, random.nextFloat() * 360,
                    0, random.nextFloat() * 0.1f + 0.6f));
            x = random.nextFloat() * 800 - 400;
            z = random.nextFloat() * - 600;
            y = terrain.getHeightOfTerrain(x, z);
            entities.add(new Entity(staticModel, new Vector3f(x, y, z), 0, 0, 0, random.nextFloat() * 1 + 4));
        }
        // 新增这一行，闭合for循环
        }

        MasterRenderer renderer = new MasterRenderer();

完整修正后的代码 #

package engineTester;

import java.util.ArrayList;
import java.util.List;
import java.util.Random;

import org.lwjgl.opengl.Display;
import org.lwjgl.util.vector.Vector3f;

import entities.Camera;
import entities.Entity;
import entities.Light;
import entities.Player;
import models.RawModel;
import models.TexturedModel;
import renderEngine.DisplayManager;
import renderEngine.Loader;
import renderEngine.MasterRenderer;
import renderEngine.OBJLoader;
import terrains.Terrain;
import textures.ModelTexture;
import textures.TerrainTexture;
import textures.TerrainTexturePack;

public class MainGameLoop {

    public static void main(String[] args) {
        
        DisplayManager.createDisplay();
        Loader loader = new Loader();
        
        TerrainTexture backgroundTexture = new TerrainTexture(loader.loadTexture("grassy"));
        TerrainTexture rTexture = new TerrainTexture(loader.loadTexture("dirt"));
        TerrainTexture gTexture = new TerrainTexture(loader.loadTexture("pinkFlowers"));
        TerrainTexture bTexture = new TerrainTexture(loader.loadTexture("path"));
        
        TerrainTexturePack texturePack = new TerrainTexturePack(backgroundTexture, rTexture, 
                gTexture, bTexture);
        TerrainTexture blendMap = new TerrainTexture(loader.loadTexture("blendMap"));
        
        RawModel model = OBJLoader.loadObjModel("tree", loader);
        
        TexturedModel staticModel = new TexturedModel(model, new ModelTexture(
                loader.loadTexture("tree")));
        TexturedModel grass = new TexturedModel(OBJLoader.loadObjModel("grassModel", loader),
                new ModelTexture(loader.loadTexture("grassTexture")));
        TexturedModel fern = new TexturedModel(OBJLoader.loadObjModel("fern", loader),
                new ModelTexture(loader.loadTexture("fern")));
        TexturedModel bobble = new TexturedModel(OBJLoader.loadObjModel("lowPolyTree", loader),
                new ModelTexture(loader.loadTexture("lowPolyTree")));
        
        grass.getTexture().setHasTransparency(true);
        grass.getTexture().setUseFakeLighting(true);
        fern.getTexture().setHasTransparency(true);
        
        Light light = new Light(new Vector3f(20000, 20000, 20000), new Vector3f(1, 1, 1));
        
        Terrain terrain = new Terrain(0, -1, loader, texturePack, blendMap, "heightMap");
        
        List<Entity> entities = new ArrayList<Entity>();
        Random random = new Random(676452);
        for (int i = 0; i < 400; i++) {
            if (i % 20 == 0) {
            float x = random.nextFloat() * 800 - 400;
            float z = random.nextFloat() * -600;
            float y = terrain.getHeightOfTerrain(x, z);
            entities.add(new Entity(fern, new Vector3f(x, y, z), 0, random.nextFloat() * 360,
                    0, 0.9f));
        }
        if (i % 5 == 0) {
            float x = random.nextFloat() * 800 - 400;
            float z = random.nextFloat() * -600;
            float y = terrain.getHeightOfTerrain(x, z);
            entities.add(new Entity(bobble, new Vector3f(x, y, z), 0, random.nextFloat() * 360,
                    0, random.nextFloat() * 0.1f + 0.6f));
            x = random.nextFloat() * 800 - 400;
            z = random.nextFloat() * - 600;
            y = terrain.getHeightOfTerrain(x, z);
            entities.add(new Entity(staticModel, new Vector3f(x, y, z), 0, 0, 0, random.nextFloat() * 1 + 4));
        }
        // 闭合for循环的花括号
        }
        
        MasterRenderer renderer = new MasterRenderer();
        
        RawModel bunnyModel = OBJLoader.loadObjModel("person", loader);
        TexturedModel stanfordBunny = new TexturedModel(bunnyModel, new ModelTexture(
                loader.loadTexture("playerTexture")));
        
        Player player = new Player(stanfordBunny, new Vector3f(100, 0, -50), 0, 180, 0, 0.6f);
        Camera camera = new Camera(player);
        
        while(!Display.isCloseRequested()) {
            camera.move();
            player.move(terrain);
            renderer.processEntity(player);
            renderer.processTerrain(terrain);
            for(Entity entity:entities){
                renderer.processEntity(entity);
            }
            renderer.render(light, camera);
            DisplayManager.updateDisplay(); 
        }
        
        renderer.cleanUp();
        loader.cleanUp();
        DisplayManager.closeDisplay();

    }

}

内容的提问来源于stack exchange，提问作者idpop48