List list = new ArrayList();
list.add(new String("aaa"));
list.add(new Integer(3));System.out.println((String)t.get(0));
System.out.println((String)t.get(1));这里那里错了
list.add(new String("aaa"));
list.add(new Integer(3));System.out.println((String)t.get(0));
System.out.println((String)t.get(1));这里那里错了
先纠正下lz代码的错误应该是List list = new ArrayList();
list.add(new String("aaa"));
list.add(new Integer(3)); System.out.println((String)list.get(0));
System.out.println((String)list.get(1));then..List list = new ArrayList();
list.add(new String("aaa"));
list.add(new Integer(3)); System.out.println((String)list.get(0));
System.out.println((String)list.get(1));));//此处会抛出ClassCastException原因是list.get(1) is a Integer
System.out.println(new String(String.v...(t.get(1));行不?
就行了
回lz只要不进行强制转换 直接使用toString() 是可以的