View Compilation Error

0_0_12121117_21841\Main.java:5: 需要 '('
				while{
				     ^
0_0_12121117_21841\Main.java:5: 需要 ')'
				while{
				      ^
0_0_12121117_21841\Main.java:20: 需要为 class、interface 或 enum
}