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public static void main(String[] args) {
int[] in = new int[] { 8, 6, 3, 4, 2 };
for (int i = 0; i < in.length - 1; i++) {
for (int j = 0; j < in.length - 1 - i; j++) {
int temp;
if (in[j] > in[j + 1]) {
temp = in[j];
in[j] = in[i + 1];
in[j + 1] = temp;
}
}
}
System.out.println("遍历数组");
for (int c = 0; c < in.length; c++) {
System.out.print(in[c]);
}
}

int[] in = new int[] { 8, 6, 3, 4, 2 };
for (int i = 0; i < in.length; i++) {
int temp = 0;
for (int j = i + 1; j < in.length; j++) {
if (in[i] > in[j]) {
temp = in[i];
in[i] = in[j];
in[j] = temp;
}
}
}
for (int c = 0; c < in.length; c++) {
System.out.print(in[c]);
}