Guava – Longs.compare()方法与实例
Guava的Longs类的Longs.compare()方法是用来比较两个指定的长值。这些值被作为参数传递,比较的结果是第一个值和第二个值的差。因此,它可以是正数、零或负数。
语法:
public static int compare(long a, long b)
参数: 这个方法接受两个参数。
a: 这是第一个要比较的长对象。b: 这是第二个要比较的长对象。返回类型: 该方法返回一个int值。它返回:
如果’a’等于’b’,则返回0;一个正值’a’大于’b’,一个负值’a’小于’b’异常: 该方法没有任何异常。
示例1:
// Java code to show implementation of// Guava's Longs.compare() methodimport com.google.common.primitives.Longs; class GFG { public static void main(String[] args) { long a = 5L; long b = 5L; // compare method in Long class int output = Longs.compare(a, b); // printing the output System.out.println("Comparing " + a + " and " + b + " : " + output); }}
输出:
Comparing 5 and 5 : 0
示例2:
// Java code to show implementation of// Guava's Longs.compare() methodimport com.google.common.primitives.Longs; class GFG { public static void main(String[] args) { long a = 5L; long b = 4L; // compare method in Long class int output = Longs.compare(a, b); // printing the output System.out.println("Comparing " + a + " and " + b + " : " + output); }}
输出:
Comparing 5 and 4 : 1
示例3:
// Java code to show implementation of// Guava's Longs.compare() methodimport com.google.common.primitives.Longs; class GFG { public static void main(String[] args) { long a = 4L; long b = 5L; // compare method in Long class int output = Longs.compare(a, b); // printing the output System.out.println("Comparing " + a + " and " + b + " : " + output); }}输出:
Comparing 4 and 5 : -1
