Java 中的排序器重置()方法，示例
原文:https://www . geeksforgeeks . org/collionelementiterator-reset-method-in-Java-with-examples/
类的 reset() 方法用于将迭代器的光标重置到输入字符串的开头。
语法:
public void reset()
参数:此方法不接受任何参数。 返回值:这个方法没有什么可返回的。
以下是说明复位()方法的例子:
例 1:
Java 语言(一种计算机语言，尤用于创建网站)
// Java program to demonstrate
// reset() method
import java.text.*;
import java.util.*;
import java.io.*;
public class GFG {
public static void main(String[] argv)
{
// creating and initializing testString
String test = "abcd";
// creating and initializing
// RuleBasedCollator object
RuleBasedCollator rbc
= (RuleBasedCollator)(Collator.getInstance());
// creating and initializing
// CollationElementIterator
CollationElementIterator cel
= rbc.getCollationElementIterator(test);
// setting cursor of iterator
cel.setOffset(2);
cel.next();
// display the result
System.out.println(
"current offset before calling reset() "
+ cel.getOffset());
// reset the cursor to the
// beginning of the string
// using reset() method
cel.reset();
// display the result
System.out.println(
"\ncurrent offset after calling reset() "
+ cel.getOffset());
}
}
Output:
current offset before calling reset() 3
current offset after calling reset() 0
例 2:
Java 语言(一种计算机语言，尤用于创建网站)
// Java program to demonstrate
// reset() method
import java.text.*;
import java.util.*;
import java.io.*;
public class GFG {
public static void main(String[] argv)
{
// creating and initializing
// testString
String test = "abcd";
// creating and initializing
// RuleBasedCollator object
RuleBasedCollator rbc
= (RuleBasedCollator)(Collator.getInstance());
// creating and initializing
// CollationElementIterator
CollationElementIterator cel
= rbc.getCollationElementIterator(test);
// setting cursor of iterator
cel.setOffset(3);
cel.previous();
// display the result
System.out.println(
"current offset before calling reset() "
+ cel.getOffset());
// reset the cursor to the beginning of the string
// using reset() method
cel.reset();
// display the result
System.out.println(
"\ncurrent offset after calling reset() "
+ cel.getOffset());
}
}
Output:
current offset before calling reset() 2
current offset after calling reset() 0
参考:https://docs . Oracle . com/javase/9/docs/API/Java/text/collationelementiterator . html # reset–
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