class Person { String name; int age; [br][/br] public Person(String name, int age) { super(); this.name = name; this.age = age; } @Override public boolean equals(Object obj) { Person person=null; if(obj instanceof Person) person=(Person)obj; if(name.equals(person.name)&&age==person.age) return true; return false; } } class Test{ public static void main(String[] args) { Person person1 = new Person("张三", 12); Person person2 = new Person("张三", 12); System.out.println(person1.equals(person2));//运行结果是？ } } 程序运行结果是什么？ A: true B: false

The Pearson coefficient of correlation r equals 1 when there is/are no:

The total energy of the spring(弹簧) at all times equals the 1/2 ks2 it was originally.

1. The person in dialogue 1 wants to go to the _______________.2. The person in dialogue 2 wants to go to the ______.3. The person in dialogue 3 wants to go to the ______________________.

If the elasticity equals -10，the Lerner Index equals 0。01（ ）

Given： Which statement is true？（） A: The equals method does NOT properly override the Object.equals method. B: Compilation fails because the private attribute p.name cannot be accessed in line 5. C: To work correctly with hash-based data structures,this class must also implement the hashCodemethod. D: When adding Person objects to a java.util.Set collection,the equals method in line 4 will preventduplicates.

1. The person in dialogue 1 wants to go to the _______________.

If we number the alphabet as A=1, B=2, C=3, and so on, which of the following word equals 100?

"Hello".equals("hello")和"java".equals("java")的值分别是多少？

In short run the shutdown point is that point at which A: price equals marginal cost. B: average fixed cost equals marginal cost. C: average variable cost equals marginal cost. D: average total cost equals marginal cost.