拆分器限制()方法|番石榴| Java
原文:https://www . geesforgeks . org/splitter-limit-method-guava-Java/
方法 limit(int limit) 返回一个行为与此拆分器等效的拆分器,但在达到限制后停止拆分。该限制定义了 迭代器 返回的最大项目数,或者splitToList(Java . lang . charsequence)返回的列表的最大大小。 例如, Splitter.on(',')。极限(3)。拆分(“a,b,c,d”)返回一个包含[“a”,“b”,“c,d”]的可迭代表。
语法:
public Splitter limit(int limit)
参数:该方法以极限为参数,该参数为返回的最大项数。
返回值:该方法返回具有所需配置的拆分器。
例 1:
// Java code to show implementation of
// limit(int limit) method
// of Guava's Splitter Class
import com.google.common.base.Splitter;
import java.util.List;
class GFG {
// Driver's code
public static void main(String[] args)
{
// Creating a string variable
String str = "geeks, . for, .Hey., "
+ "geeks, ., noida, ., classes";
// Initially setting limit as 3
System.out.println("When Limit is 3 : ");
// Using limit(int limit) method which
// stops splitting after it reaches the limit.
Iterable<String> result = Splitter.on(',')
.limit(3)
.trimResults()
.split(str);
for (String temp : result) {
System.out.println(temp);
}
// Setting limit as 4
System.out.println("\n\nWhen Limit is 4 : ");
// Using limit(int limit) method which
// stops splitting after it reaches the limit.
Iterable<String> result1 = Splitter.on(',')
.limit(4)
.trimResults()
.split(str);
for (String temp : result1) {
System.out.println(temp);
}
}
}
Output:
When Limit is 3 :
geeks
. for
.Hey., geeks, ., noida, ., classes
When Limit is 4 :
geeks
. for
.Hey.
geeks, ., noida, ., classes
例 2:
// Java code to show implementation of
// limit(int limit) method
// of Guava's Splitter Class
import com.google.common.base.Splitter;
import java.util.List;
class GFG {
// Driver's code
public static void main(String[] args)
{
// Creating a string variable
String str = "Learn$,,Data $ structures"
+ " 123$ to be $ best Coder..";
// Initially setting limit as 2
System.out.println("When Limit is 2 : ");
// Using limit(int limit) method which
// stops splitting after it reaches the limit.
Iterable<String> result = Splitter.on('{content}apos;)
.limit(2)
.trimResults()
.split(str);
for (String temp : result) {
System.out.println(temp);
}
// Setting limit as 4
System.out.println("\n\nWhen Limit is 4 : ");
// Using limit(int limit) method which
// stops splitting after it reaches the limit.
Iterable<String> result1 = Splitter.on('{content}apos;)
.limit(4)
.trimResults()
.split(str);
for (String temp : result1) {
System.out.println(temp);
}
}
}
Output:
When Limit is 2 :
Learn,,Data $ structures 123$ to be $ best Coder..
When Limit is 4 :
Learn,,Data
structures 123
to be $ best Coder..
注:
- 省略空字符串时,省略的字符串不计算在内。因此,Splitter.on(',')。极限(3)。omitEmptyStrings()。split("a、、b、、、、c、d ")返回一个包含["a "、" b "、" c、d"]的 iterable。
- 请求修剪时,所有条目都会被修剪,包括最后一个条目。因此 Splitter.on(',')。极限(3)。trimResults()。拆分(“a、b、c、d”)导致[“a”、“b”、“c、d”]。
版权属于:月萌API www.moonapi.com,转载请注明出处