[{
			"type" : "singleChoice",
			"singleChoice" : {
				"content" : "<p>泛型使用中的规则和限制是</p>",
				"key" : "D",
				"score" : "2",
				"options" : [{
							"alias" : "A",
							"text" : "泛类参数只能是类类型不能是简单类型  "
						}, {
							"alias" : "B",
							"text" : "同一种泛型可以对应多个版本  "
						}, {
							"alias" : "C",
							"text" : "泛型的类型参数可以有多个"
						}, {
							"alias" : "D",
							"text" : "以上都是"
						}],
				"key2":"A",
				"isTrue":"0",
				"getScore":"0"
			}
		}, {
			"type" : "multipleChoice",
			"multipleChoice" : {
				"content" : "<p><span>下面正确声明一个一维数组的是</span></p>",
				"key" : "AB",
				"score" : "3",
				"options" : [{
							"alias" : "A",
							"text" : "String [] a"
						}, {
							"alias" : "B",
							"text" : "String a[]"
						}, {
							"alias" : "C",
							"text" : "char a[][]"
						}, {
							"alias" : "D",
							"text" : "String a[10]"
						}],
				"key2":"AB",
				"isTrue":"1",
				"getScore":"3"
			}
		}, {
			"type" : "essay",
			"essay" : {
				"content" : "请简述equals和==的区别。",
				"key" : "==号，他比较的是一个对象在内存中的地址值；equals是根据自定义的方法，在String中比较的是字符串是否相同。",
				"score" : "5",
				"key2":"1223311223",
				"isTrue":false,
				"getScore":"0.5"
			}
		}]
		编程题：
			key2:"public static void main(String args[])"
			compile:是否编译成功
			run:是否运行成功
			output:输出
			isTrue:是否正确
			getScore:得分