AI代码解释 privateint bookId;privateString bookName;privateint bookPrice;@OverridepublicintcompareTo(Book o){// TODO Auto-generated method stub//return this.bookPrice-o.bookPrice;//按价格排序 升序//return o.bookPrice-this.bookPrice;//按价格排序 降序//return this.bookName.compareTo(o.bookName...
public int compare(Book o1, Book o2) { // TODO Auto-generated method stub return o1.getBookPrice() - o2.getBookPrice(); } }); 或者创建一个比较器 package com.my.test.compare; import java.util.Comparator; public class SimpleCompator implements Comparator<Book> { @Override public int com...
Java编程过程中,Integer对象(或其它继承自Number类的包装类对象)使用Number包装类内置的compareTo()方法来比较调用对象和参数之间的大小的时候,Java的集成开发环境IDE或编译器给出了提示:The method compareTo(Integer) in the type Integer is not applicable for the arguments (Float),后类似的提示,这是怎么回事呢?
Comparator接口位于java.util包下,而Comparable接口位于kava.lang包下。 对于Comparator接口,可以看到它的compare()方法的参数时两个对象,比如我们对Cat类进行比较,那么这里就是两个要比较的Cat类的对象,所以可以有一个单独的类实现Comparator。 对于Comparable接口,它的方法只有一个对象作为参数,所以要比较的类需要实现Com...
java.lang.IllegalArgumentException: Comparison method violates its general contract! 莫名其妙的出现一个错误,源代码如下: //对右侧栏进行排序 将 # 丢在最后Collections.sort(mIndexDatas,newComparator<String>() { @Overridepublicintcompare(String lhs, String rhs) { ...
Java编程过程中,Integer对象(或其它继承自Number类的包装类对象)使用Number包装类内置的compareTo()方法来比较调用对象和参数之间的大小的时候,Java的集成开发环境IDE或编译器给出了提示:The method compareTo(Integer) in the type Integer is not applicable for the arguments (Float),后类似的提示,这是怎么回事呢...
This method imposes a total order onDoubleobjects with two differences compared to the incomplete order defined by the Java language numerical comparison operators (<, <=, ==, >=, >) ondoublevalues. A NaN is unordered with respect to other values and unequal to itself under the comparison...
Namespace: Java.IO Assembly: Mono.Android.dll Compares two abstract pathnames lexicographically. C# 复制 [Android.Runtime.Register("compareTo", "(Ljava/io/File;)I", "GetCompareTo_Ljava_io_File_Handler")] public virtual int CompareTo(Java.IO.File pathname); Parameters p...
ExampleGet your own Java Server Compare two strings: StringmyStr1="Hello";StringmyStr2="Hello";System.out.println(myStr1.compareTo(myStr2));// Returns 0 because they are equal Try it Yourself » Definition and Usage ThecompareTo()method compares two strings lexicographically. ...
LocalDateTime.CompareTo Method Microsoft Build Mayo 21–23, 2024 Magparehistro na Alisin ang alerto Learn Discover Dokumentasyon ng produkto Mga wika sa pag-unlad Mga Paksa Mag-sign in Bersyon .NET Android API 34 Java.Time Java.Time