i tried but it gives me 18 errors
Description Resource Path Location Type
Cannot refer to the non-final local variable stringbuffer defined in an enclosing scope LinkedListTest.java /Client/src/net/optifine/util line 77 Java Problem
Description Resource Path Location Type
Cannot refer to the non-final local variable stringbuffer defined in an enclosing scope LinkedListTest.java /Client/src/net/optifine/util line 78 Java Problem
Description Resource Path Location Type
Cannot refer to the non-final local variable stringbuffer defined in an enclosing scope LinkedListTest.java /Client/src/net/optifine/util line 81 Java Problem
Description Resource Path Location Type
javax.vecmath cannot be resolved to a type ModelRotation.java /Client/src/net/minecraft/client/resources/model line 120 Java Problem
Description Resource Path Location Type
javax.vecmath cannot be resolved to a type ModelRotation.java /Client/src/net/minecraft/client/resources/model line 122 Java Problem
Description Resource Path Location Type
javax.vecmath cannot be resolved to a type ModelRotation.java /Client/src/net/minecraft/client/resources/model line 122 Java Problem
Description Resource Path Location Type
Lambda expressions are allowed only at source level 1.8 or above LinkedListTest.java /Client/src/net/optifine/util line 70 Java Problem
Description Resource Path Location Type
Matrix4f cannot be resolved to a type ITransformation.java /Client/src/net/minecraftforge/client/model line 8 Java Problem
Description Resource Path Location Type
Matrix4f cannot be resolved to a type Reflector.java /Client/src/net/optifine/reflect line 192 Java Problem
Description Resource Path Location Type
Matrix4f cannot be resolved to a type TRSRTransformation.java /Client/src/net/minecraftforge/client/model line 8 Java Problem
Description Resource Path Location Type
Matrix4f cannot be resolved to a type TRSRTransformation.java /Client/src/net/minecraftforge/client/model line 13 Java Problem
Description Resource Path Location Type
The import javax.vecmath cannot be resolved ITransformation.java /Client/src/net/minecraftforge/client/model line 3 Java Problem
Description Resource Path Location Type
The import javax.vecmath cannot be resolved Reflector.java /Client/src/net/optifine/reflect line 9 Java Problem
Description Resource Path Location Type
The import javax.vecmath cannot be resolved TRSRTransformation.java /Client/src/net/minecraftforge/client/model line 3 Java Problem
Description Resource Path Location Type
The method getMatrix() from the type ITransformation refers to the missing type Matrix4f FaceBakery.java /Client/src/net/minecraft/client/renderer/block/model line 212 Java Problem
Description Resource Path Location Type
The method getMatrix() from the type ITransformation refers to the missing type Matrix4f ModelBakery.java /Client/src/net/minecraft/client/resources/model line 537 Java Problem
Description Resource Path Location Type
The method getMatrix() from the type ModelRotation refers to the missing type Matrix4f ModelRotation.java /Client/src/net/minecraft/client/resources/model line 117 Java Problem
Description Resource Path Location Type
Type mismatch: cannot convert from TileEntitySpecialRenderer<TileEntity> to TileEntitySpecialRenderer<T> TileEntityRendererDispatcher.java /Client/src/net/minecraft/client/renderer/tileentity line 94 Java Problem
PLS HELP!!!