配列

int[] v = new int[3];
v[0] = 100;
v[1] = 200;
v[2] = 300;

int[] v = { 100, 200, 300 };

CTest[] v = new CTest[3];
v[0] = new CTest();
v[1] = new CTest();
v[2] = new CTest();

int[] v = new int[3];
int n = v.length;

// int の二次元配列
int[][] v = new int[3][2];
 
// 文字列 の二次元配列
String[][] s = {
    { "A", "dog" },
    { "B", "cat" },
    { "C", "bird" }
};