Ints concat()函数|番石榴| Java
原文:https://www . geesforgeks . org/ints-concat-function-guava-Java/
番石榴的T1Ints。concat() 方法用于将作为参数传递的数组组合成单个数组。此方法返回组合成单个数组的每个数组中的值。例如，concat(new int[] {a，b}、new int[] {}、new int[] {c}返回数组{a，b，c}。
语法:
public static int[] concat(int[]... arrays)
参数:该方法以 数组 为参数，表示零个或多个 int 数组。
返回值:这个方法按顺序返回一个包含所有来自源数组的值的数组。
例 1:
// Java code to show implementation of
// Guava's Ints.concat() method
import com.google.common.primitives.Ints;
import java.util.Arrays;
class GFG {
// Driver's code
public static void main(String[] args)
{
// Creating 2 Integer arrays
int[] arr1 = { 1, 2, 3, 4, 5 };
int[] arr2 = { 6, 2, 7, 0, 8 };
// Using Ints.concat() method to combine
// elements from both arrays into a single array
int[] res = Ints.concat(arr1, arr2);
// Displaying the single combined array
System.out.println("Combined Array: "
+ Arrays.toString(res));
}
}
输出:
Combined Array: [1, 2, 3, 4, 5, 6, 2, 7, 0, 8]
例 2:
// Java code to show implementation of
// Guava's Ints.concat() method
import com.google.common.primitives.Ints;
import java.util.Arrays;
class GFG {
// Driver's code
public static void main(String[] args)
{
// Creating 4 Integer arrays
int[] arr1 = { 1, 2, 3 };
int[] arr2 = { 4, 5 };
int[] arr3 = { 6, 7, 8 };
int[] arr4 = { 9, 0 };
// Using Ints.concat() method to combine
// elements from both arrays into a single array
int[] res = Ints.concat(arr1, arr2, arr3, arr4);
// Displaying the single combined array
System.out.println("Combined Array: "
+ Arrays.toString(res));
}
}
输出:
Combined Array: [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]
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