Java try catch 输出报错（包含类名、方法名、行号）

• Java try catch 输出报错（包含类名、方法名、行号）

try{
    throw new Exception();
}catch (Exception exp){
    String errorStr = "error: " + this.getClass().getName() + "." + Thread.currentThread().getStackTrace()[1].getMethodName() + "() line:" + exp.getStackTrace()[0].getLineNumber() + "\n" + exp.toString();
    System.out.println(errorStr);
}