javascript的alert box在java中如何显示多行

alert("第一行/n第二行");

String strTemp="历史答题报告：//n"+"您答对了"+RdData.getCcnt()+"道题//n"+"您有"+RdData.getBcnt()+"道题没答//n"+"您答错"+RdData.getWcnt()+"题//n";
out.print("<script> alert('"+strTemp+"');window.location='index.jsp'</script>");

Code Outputs
/' single quote
/" double quote
// backslash
/n new line
/r carriage return
/t tab
/b backspace
/f form feed