请问这是什么语言 以及这段程序是什么意思啊

Question

dianji1zhengzhuanbtn=(Button)findViewById(R.id.dianji1zhengzhuanbtn);        dianji1fanzhuanbtn=(Button)findViewById(R.id.dianji1fanzhuanbtn);        dianji2zhengzhuanbtn=(Button)findViewById(R.id.dianji2zhengzhuanbtn);        dianji2fanzhuanbtn=(Button)findViewById(R.id.dianji2fanzhuanbtn);               dianji1tingzhibtn=(Button)findViewById(R.id.dianji1tingzhibtn);        dianji2tingzhibtn=(Button)findViewById(R.id.dianji2tingzhibtn);             dianji1zhengzhuanbtn.setOnClickListener(new dianji1zhengzhuan());        dianji1fanzhuanbtn.setOnClickListener(new dianji1fanzhuan());        dianji1tingzhibtn.setOnClickListener(new dianji1tingzhi());               dianji2zhengzhuanbtn.setOnClickListener(new dianji2zhengzhuan());        dianji2fanzhuanbtn.setOnClickListener(new dianji2fanzhuan());        dianji2tingzhibtn.setOnClickListener(new dianji2tingzhi());                      IPText.setText("192.168.1.212:8080");        lianjie();