从Object类继承的Equals(Object)方法用于检查指定的Stack类对象是否等于另一个Stack类对象。此方法位于System.Collections
命名空间下。
句法:
public virtual bool Equals (object obj);
此处, obj是要与当前对象进行比较的对象。
返回值:如果指定对象等于当前对象,则此方法返回true,否则返回false。
下面的程序说明了上述方法的用法:
范例1:
// C# code to check if two Stack
// class objects are equal or not
using System;
using System.Collections;
class GFG {
// Driver code
public static void Main()
{
// Creating a Stack named st1
Stack st1 = new Stack();
// Adding elements to st1
st1.Push(1);
st1.Push(2);
st1.Push(3);
st1.Push(4);
// Checking whether st1 is
// equal to itself or not
Console.WriteLine(st1.Equals(st1));
}
}
输出:
True
范例2:
// C# code to check if two Stack
// class objects are equal or not
using System;
using System.Collections;
class GFG {
// Driver code
public static void Main()
{
// Creating a Stack named st1
Stack st1 = new Stack();
// Adding elements to the Stack
st1.Push("C");
st1.Push("C++");
st1.Push("Java");
st1.Push("C#");
// Creating a Stack named st2
Stack st2 = new Stack();
st2.Push("HTML");
st2.Push("CSS");
st2.Push("PHP");
st2.Push("SQL");
// Checking whether st1 is
// equal to st2 or not
Console.WriteLine(st1.Equals(st2));
// Creating a new Stack
Stack st3 = new Stack();
// Assigning st2 to st3
st3 = st2;
// Checking whether st3 is
// equal to st2 or not
Console.WriteLine(st3.Equals(st2));
}
}
输出:
False
True