java 字符数组 合并_字符数组合并？c数组合并？java数组合并问题「建议收藏」

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本文关键词数组合并，由教案网整理发布

public static String[] getOneArray() {

String[] a = { “0”, “1”, “2” };

String[] b = { “0”, “1”, “2” };

String[] c = new String[a.length + b.length];

for (int j = 0; j < a.length; ++j) {

c[j] = a[j];

}

for (int j = 0; j < b.length; ++j) {

c[a.length + j] = b[j];

}

return c;

}

public static Object[] getTwoArray() {

String[] a = { “0”, “1”, “2” };

String[] b = { “0”, “1”, “2” };

List aL = Arrays.asList(a);

List bL = Arrays.asList(b);

List resultList = new ArrayList();

resultList.addAll(aL);

resultList.addAll(bL);

Object[] result = resultList.toArray();

return result;

}

public static String[] getThreeArray() {

String[] a = { “0”, “1”, “2”, “3” };

String[] b = { “4”, “5”, “6”, “7”, “8” };

String[] c = new String[a.length + b.length];

System.arraycopy(a, 0, c, 0, a.length);

System.arraycopy(b, 0, c, a.length, b.length);

return c;

}

1.两个字符数组合并的问题

public String[] getMergeArray(String[] al,String[] bl) {

String[] a = al;

String[] b = bl;

String[] c = new String[a.length + b.length];

System.arraycopy(a, 0, c, 0, a.length);

System.arraycopy(b, 0, c, a.length, b.length);

return c;

}

2.字符数组和整形数组合并问题

public int[] getIntArray(int[] al,String[] bl) {

int[] a = al;

String[] b = bl;

int[] ia=new int[b.length];

for(int i=0;i

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