鍦↗ava涓紝static鍏抽敭瀛楀彲浠ョ敤鏉ヤ慨楗扮被鐨勬垚鍛樺彉閲忓拰鎴愬憳鏂规硶銆傚畠鍏锋湁浠ヤ笅鍑犵鐢ㄦ硶锛?/p>

1. 闈欐€佹垚鍛樺彉閲忥細

闈欐€佹垚鍛樺彉閲忓睘浜庣被鏈韩锛岃€屼笉鏄睘浜庣被鐨勫疄渚嬪璞°€傚畠鍦ㄧ被鍔犺浇鏃跺氨浼氳鍒濆鍖栵紝骞朵笖鎵€鏈夌殑瀹炰緥瀵硅薄鍏变韩鍚屼竴涓潤鎬佸彉閲忋€傚彲浠ラ€氳繃绫诲悕鐩存帴璁块棶锛屼笉闇€瑕佸垱寤哄璞°€?/p>

public class MyClass {
public static int count;  // 闈欐€佹垚鍛樺彉閲?/span>
public static void main(String[] args) {
MyClass.count = 10;  // 鐩存帴閫氳繃绫诲悕璁块棶闈欐€佸彉閲?/span>
System.out.println(MyClass.count);
}
}

2. 闈欐€佹垚鍛樻柟娉曪細

闈欐€佹垚鍛樻柟娉曞彲浠ョ洿鎺ラ€氳繃绫诲悕璋冪敤锛屾棤闇€鍒涘缓绫荤殑瀹炰緥瀵硅薄銆傞潤鎬佹柟娉曚腑鍙兘璁块棶闈欐€佹垚鍛樺彉閲忓拰璋冪敤鍏朵粬闈欐€佹垚鍛樻柟娉曪紝涓嶈兘鐩存帴璁块棶闈為潤鎬佹垚鍛樺彉閲忓拰璋冪敤闈為潤鎬佹垚鍛樻柟娉曘€?/p>

public class MyClass {
public static void printCount() {  // 闈欐€佹垚鍛樻柟娉?/span>
System.out.println(MyClass.count);
}
public static void main(String[] args) {
MyClass.count = 10;  // 鐩存帴閫氳繃绫诲悕璁块棶闈欐€佸彉閲?/span>
MyClass.printCount();  // 鐩存帴閫氳繃绫诲悕璋冪敤闈欐€佹柟娉?/span>
}
}

3. 闈欐€佷唬鐮佸潡锛?/li>

闈欐€佷唬鐮佸潡鏄湪绫诲姞杞芥椂鎵ц锛屽彧鎵ц涓€娆°€傚彲浠ョ敤鏉ュ垵濮嬪寲闈欐€佸彉閲忔垨鎵ц鍏朵粬涓€娆℃€х殑浠诲姟銆?/p>

public class MyClass {
public static int count;  // 闈欐€佹垚鍛樺彉閲?/span>
static {  // 闈欐€佷唬鐮佸潡
count = 10;
System.out.println("闈欐€佷唬鐮佸潡鎵ц");
}
public static void main(String[] args) {
System.out.println(MyClass.count);
}
}

闇€瑕佹敞鎰忕殑鏄紝闈欐€佹垚鍛樺彉閲忓拰闈欐€佹垚鍛樻柟娉曞彲浠ラ€氳繃绫诲悕鐩存帴璁块棶锛屼笉闇€瑕佸垱寤哄璞★紝鑰岄潪闈欐€佹垚鍛樺彉閲忓拰闈為潤鎬佹垚鍛樻柟娉曢渶瑕侀€氳繃瀵硅薄鏉ヨ闂€?/p>