当地时间周四，美国和印度的领导人在白宫举行会谈，双方以拥抱示意友好。最近胡锡进举行了记者招待会，认为这次拥抱意味着两个国家的暂时交好，而美印双方关系的升温，对我国来说既有积极作用，也有消极作用。首先，
I have a JPanel sitting inside the center pos开发者_JS百科ition of a BorderLayout of a JFrame.How can I swap out the current JPanel for a new one?Did you try something on the lines of:
加载中,请稍侯......