Program: 59989
Project: 59989
Buggy source:
public Terminal(ServerWindowStage w){
  terminal=this;
  window=w;
  device=window.getDevice();
  Skin skin=Assets.skin;
  history=new ArrayList<String>();
  table=new com.badlogic.gdx.scenes.scene2d.ui.Window("String_Node_Str",skin);
  table.setSize(window.getCanvas().getWidth() * .9f,window.getCanvas().getHeight() * .9f);
  close=new ImageButton(new TextureRegionDrawable(Assets.linearTextures.findRegion("String_Node_Str")));
  close.setPosition(table.getWidth() - close.getWidth(),table.getHeight() - close.getHeight() - 20);
  input=new TextField("String_Node_Str",skin.get("String_Node_Str",TextFieldStyle.class));
  display=new Label("String_Node_Str",skin.get("String_Node_Str",LabelStyle.class));
  scroll=new ScrollPane(display,skin);
  display.setWrap(false);
  display.setAlignment(10,Align.left);
  display.setText("String_Node_Str" + ((int)Math.random() * 100) / 10 + "String_Node_Str" + "String_Node_Str" + Internet.ipToString(device.getIp()) + "String_Node_Str" + device.getTotalMemory() + "String_Node_Str" + device.getTotalStorage() + "String_Node_Str");
  table.addListener(new InputListener(){
    @Override public boolean touchDown(    InputEvent event,    float x,    float y,    int pointer,    int button){
      return true;
    }
    @Override public void touchUp(    InputEvent event,    float x,    float y,    int pointer,    int button){
      if (y >= table.getHeight() - 20) {
        if (table.getX() < 0) {
          table.setX(0);
        }
        if (table.getY() < 0) {
          table.setY(0);
        }
        if (table.getX() + table.getWidth() > Gdx.graphics.getWidth()) {
          table.setX(Gdx.graphics.getWidth() - table.getWidth());
        }
        if (table.getY() + table.getHeight() > Gdx.graphics.getHeight()) {
          table.setY(Gdx.graphics.getHeight() - table.getHeight());
        }
      }
    }
  }
);
  close.addListener(new InputListener(){
    @Override public boolean touchDown(    InputEvent event,    float x,    float y,    int pointer,    int button){
      return true;
    }
    @Override public void touchUp(    InputEvent event,    float x,    float y,    int pointer,    int button){
      super.touchUp(event,x,y,pointer,button);
      close();
    }
  }
);
  input.addListener(new InputListener(){
    @Override public boolean keyDown(    InputEvent event,    int keycode){
      if (keycode == Keys.ENTER && command == null) {
        System.out.println(input.getText());
        display.setText(display.getText() + "String_Node_Str" + Internet.ipToString(device.getIp())+ "String_Node_Str"+ input.getText());
        history.add(input.getText());
        command=new Command(input.getText(),device,terminal);
        line=history.size();
        input.setText("String_Node_Str");
      }
 else       if (keycode == Keys.C && (Gdx.input.isKeyPressed(Keys.CONTROL_LEFT) || Gdx.input.isKeyPressed(Keys.CONTROL_RIGHT)) && command != null) {
        addText("String_Node_Str");
        command.stop();
      }
 else       if (keycode == Keys.TAB && command == null) {
        String s="String_Node_Str";
        File[] files=new File("String_Node_Str").listFiles();
        List<File> filesFiltered=new ArrayList<File>();
        if (firstTab) {
          tabString=input.getText();
        }
        for (        File f : files) {
          if (f.getName().startsWith(tabString)) {
            filesFiltered.add(f);
          }
        }
        for (        File f : filesFiltered) {
          s+=f.getName().substring(0,f.getName().length() - 3);
          if (filesFiltered.lastIndexOf(f) != filesFiltered.size() - 1) {
            s+="String_Node_Str";
          }
        }
        if (!filesFiltered.isEmpty()) {
          if (firstTab) {
            addText(s + "String_Node_Str");
            firstTab=false;
          }
          String name=filesFiltered.get(tabIndex).getName();
          input.setText(name.substring(0,name.length() - 3));
          input.setCursorPosition(input.getText().length());
        }
 else {
          addText("String_Node_Str");
        }
        tabIndex++;
        if (tabIndex >= filesFiltered.size()) {
          tabIndex=0;
        }
      }
 else       if (keycode == Keys.DOWN && line < history.size() - 1) {
        line++;
        input.setText(history.get(line));
        input.setCursorPosition(input.getText().length());
      }
 else       if (keycode == Keys.UP && line > 0) {
        line--;
        input.setText(history.get(line));
        input.setCursorPosition(input.getText().length());
      }
      if (keycode != Keys.TAB && keycode != Keys.LEFT && keycode != Keys.RIGHT) {
        tabIndex=0;
        tabString="String_Node_Str";
        firstTab=true;
      }
      if (command != null) {
        command.getUserInputBuffer().offer(keycode);
      }
      return true;
    }
    @Override public boolean keyUp(    InputEvent event,    int keycode){
      if (keycode == Keys.ENTER || (keycode == Keys.C && (Gdx.input.isKeyPressed(Keys.CONTROL_LEFT) || Gdx.input.isKeyPressed(Keys.CONTROL_RIGHT)) && command != null)) {
        scroll.setScrollY(display.getHeight());
      }
      return super.keyUp(event,keycode);
    }
  }
);
  table.add(scroll).expand().fill();
  table.row();
  table.add(input).left().fillX();
  table.addActor(close);
}

Fixed version (ground truth):
public Terminal(ServerWindowStage w){
}